User Manual EVO Nano Series V1.0 2021.
Terms for Usage Thank you for your interest in the industry aircraft products provided by Autel Robotics Co., Ltd (hereinafter referred to as “Autel Robotics”). Please read the following terms carefully and acknowledge that you have understood and agreed the following terms, conditions and safe operation guide. Trademark Information The trademarks EVO Nano™, EVO Nano+™, Autel Sky™, Autel SkyLinkTM and Autel Robotics® are the registered trademarks of Autel Robotics in China and other countries/regions.
Data Storage and Use The backup service function of this product is disabled by default, so user and flight information will not be uploaded or propagated through mobile device. When Autel Sky APP is connected with an aircraft, the flight log including the flight remote sensing data will be uploaded and saved in the Autel Robotics data server.
Table of contents Chapter 1 Read Instructions .............................................................................................. 5 1.1 Legend keys ........................................................................................................ 5 1.2 Product document ................................................................................................ 5 1.3 Download Autel Sky App .....................................................................................
Chapter 5 Flight ............................................................................................................. 55 5.1 Safe operation guide ...........................................................................................55 5.2 Flight preparation .............................................................................................. 57 5.3 Flight operation ................................................................................................. 59 5.
Chapter 1 Read Instructions Thank you for your purchase of EVO Nano series and welcome your experience in Autel Robotics products. With this Manual, you can understand the features of EVO Nano series and learn to operate this aircraft and remote controller optimally. Before first use of EVO Nano series, please read this Manual and attached documents and get ready this Manual at any moment for reference. 1.1 Legend keys Please pay attention to the legend keys in this Manual.
1.3 Download Autel Sky App Autel Sky App can provide real-time image transmission, senior flight and camera control methods for your mobile device. App supports Android 6.0 , iOS 13.0 and above systems. You can download in the following two ways: Method one: Search for Autel Sky in the App Store or Google Play, and click INSTALL. Method Two: Visit the App download page of Autel Robotics' official website and scan the QR code to download: www.autelrobotics.com/download/App_download.
Chapter 2 Aircraft EVO Nano series aircraft is designed with a folding design fuselage, weighing less than 249g, which is light and portable. EVO Nano series UAVs not only have advanced functions such as indoor and outdoor stable hovering and intelligent flight, but also have strong flight performance. The fastest flight speed is 54km/h and the longest flight time is about 28 minutes. EVO Nano series UAVs are equipped with EVO Nano and EVO Nano+. The cameras of the two products use 1/2 inch and 1/1.
2.
⑬ Ultrasonic sensor ⑮ Air inlet ⑭ Downward vision system 2.2 Flight indicator There is an LED indicator on the tail of the aircraft. The LED is used to indicate a variety of statuses.
Compass calibration Yellow light is on Starting compass calibration Yellow light is on Calibration failed Green light is on Calibration successful Warning Yellow light flashes slowly (1 flash per second) Low battery warning Red light flashes slowly (1 flash per second) Critical low battery alert Updating Green light flashes quickly Aircraft is updating Green light is is on Update successful Yellow light flashes slowly (1 flash per second) Update failed 2.
2.3.1 Battery use 1. Check battery level The battery indicator is divided into LED 1, LED 2, LED 3, LED 4. The position of each indicator is shown in the figure below. When the battery is turned off, press the power button for 1 second and then release it to check the battery level. LED will indicate the current battery level, as shown below.
LED warning description LED 1 LED 2 LED 3 LED 4 Warning description The charging temperature is too high or too low. The charging current is high enough to cause short circuit. There is overcurrent, overload or short circuit problem in the case of discharging. - Indicator is flashing - Off 2. Turn on battery The battery shall be turned off before it is installed. After installation, long press the power button for 3 seconds. The battery level indicator will indicate the current battery level. 3.
5. Disassemble aircraft battery 1. Turn off the aircraft battery power switch before taking out the battery. 2. Press the buckles at two sides of battery and slowly take out the battery. 6. Charge aircraft battery The aircraft battery and remote controller can use the charger and cable provided for charging. Before each use, the battery shall be fully charged. 1）Connect the USB charger to the AC power supply (100-240 V, 50/60 Hz). 2）Connect the aircraft to the USB charger.
protection will be activated. The battery will automatically discharge to a safe level, and this discharging process takes 2~3 days. In this period, it is normal that the battery may be slightly hot. 2) Low battery protection: in the case of low battery level, the battery will automatically enter sleep mode to avoid damage. Under this mode, there will be no reaction when pressing the power button. To wake up the battery, it is allowed to connect it with charger.
Be sure to charge the battery fully before each flight. If the aircraft enters the low battery alarm mode, it is necessary to land the aircraft, stop flying, replace or charge battery as soon as possible. Never decompose, scratch, extrude, bend, pierce, cut, distort or damage the battery in other forms. Otherwise the fire, explosion, leakage or other dangers may be caused.
The charging is allowed only after the battery is cooled to room temperature. If the battery is connected with the charger immediately after flight, the overtemperature protection function may be activated to stop battery charging till that the battery is fully cool. Do not turn on the aircraft during charging. The charging is not supported when the aircraft is on. The allowable battery charging temperature is 5°C~45°C.
The battery is a dangerous chemical, so it is forbidden to be discarded in ordinary dustbin. For more details, please abide by the local recycling and disposal laws and regulations. 2.4 Gimbal and camera 2.4.1 Gimbal overview The aircraft is equipped with a high-precision 3-axis PTZ, which can keep the camera stable during aircraft flight, so as to ensure image stability and definition. In order to work properly, the PTZ temperature must be between -10ºC and 50ºC (14ºF to 122ºF).
PTZ of EVO Nano+ Support 4K camera with 1/1.28 inch CMOS sensor ① Shock absorber ④ Pitching axis motor ② Camera ⑤ Rolling axis motor ③ UV Filter ⑥ Yawing axis motor The gimbal includes two working modes: Stabilization mode The rolling axis remains horizontal while the pitching axis remains the user-defined angle. This mode is used to capture stable image and video.
Please be sure to take down the gimbal protective cover before startup. Otherwise the gimbal camera and circuit may be damaged. When turning on the aircraft power switch, the gimbal will rotate automatically to carry out self-test and calibration. Please ensure that there is no object that may hinder the gimbal motion around the gimbal. The gimbal contains precision components.
Panoramic The camera can save photos in DNG or JPG format and record videos in MOV or MP4 format. The image and video can be saved in Micro SD card. Real-time images are displayed on the Autel Sky App with up to 2.7K resolution and 30 frame fluency. Important Please use and store the camera within the nominal temperature and humidity range to maintain good performance of camera lens.
Please turn off the aircraft correctly, otherwise the camera parameters would not be saved and the video being recorded would be damaged. Autel Robotics will assume no responsibility for the loss caused by failure to read video or photo. It is recommended to limit the single recording time within 30 minutes to ensure camera system stability. Please check camera parameter setting and ensure accurate parameters before shooting.
2.5.2 Disassemble propeller 1. Confirm that the aircraft is closed. 2. Loosen the screw to remove the screw propeller airscrew. Important Check to confirm that each propeller has been installed firmly before flight. Do not use the damaged propeller for flight. It is forbidden to touch the rotating propeller or motor. It is always necessary to take down the propeller before motor test. Please use the special propeller for Nano series provided by Autel Robotics.
GNSS receiver Receive the GPS signal to determine longitude, latitude and altitude. Barometer Measure atmospheric pressure to determine the altitude of aircraft. Ultrasonic sensor Binocular vision system Measure the distance between aircraft and ground. Support the forward, backward and downward binocular vision. 2.6.1 Flight mode EVO Nano series supports the standard, ludicrous and smooth modes which can be switched on APP. 1.
2. Ludicrous mode Use the GPS module and downward vision system to realize accurate hovering. After the aircraft control sensibility is adjusted, the maximum flight speed will rise to 15m/s, the maximum rising speed will be 5m/s, and the maximum descending speed will be 4m/s. 3. Smooth mode Limit the flight speed based on standard mode, namely, the maximum flight speed as 5m/s, the maximum rising speed as 3m/s and the maximum descending speed as 2m/s, to make the aircraft more stable during shooting.
2.6.2 Intelligent flight features 1. Auto return The return function is enabled only when there is good GPS signal. To want to enable the return function manually, long press the return button ( the return icon ( ) on the remote controller or click ) in Autel Sky App. Upon receipt of the instruction, the aircraft will automatically return and land on the preset return point. Important The return height (relative to take-off point) is 30m by default.
show a notification. The fail-safe will be activated to start the return process. Similarly, you can also press the pause button or click the pause icon in Autel Sky App to recover the control on the aircraft. A. When the aircraft battery level reaches the set threshold (25% by default), you will receive one low battery alarm, and the fail-safe will be activated to start the auto return of aircraft. B.
can take effect only when the return point is not refreshed during flight. Select an open and well-lit area (such as grass lawn) as the take-off point. When the aircraft is ready for precise landing, it is necessary to ensure that the take-off environment has no change. 2.6.3 Compass calibration The compass has been calibrated in factory, with no need for calibration by user normally.
2. Hold the aircraft flat, and then rotate the aircraft until the rear LED indicator of the aircraft is green and is not flashing. 3. Hold the aircraft vertically with the head downwards, and then rotate the aircraft until the rear LED indicator of the aircraft is green and is not flashing. 4. Hold the aircraft with the side downwards, and then rotate the aircraft till the rear LED indicator of the aircraft is green and not flashing.
Remark If the calibration fails, the indicator light behind the aircraft will flash red, and the APP will also prompt that the calibration is failed. Repeat above steps. Please keep away from the metal or electric object, and maintain the aircraft at about 1.5m above the ground. 2.7 Binocular vision system The front, rear and downward binocular vision perception system of EVO Nano series uses image data to calculate the distance between the aircraft and potential obstacles.
Remark The vision system has dead zone outside its covering range. It is necessary to pay attention to the ambient environment and App notice during flight to ensure safety. Do not operate the aircraft in a complex environment where there is insufficient light, small object (such as twig, line, net), moving object, transparent surface (such as window) or reflected surface (such as mirror). In the case of flight with car or other vehicles, please select a field or closed road for driving.
– Surface composed of highly repetitive pattern (such as tile). – Tiny obstacle (such as tree branch, electric wire, etc.). 5. Avoid flying in rainy and foggy weather or other scenes where the visibility lower than 100m. 6. Before flight check the vision system surface to ensure that the binocular camera lens and sensor are clean and not covered. – Remove the surface film, sticker and other covers. – Clean of water drop, fingerprint, dirt, etc.
Chapter 3 Remote controller EVO Nano series adopts the new generation of Autel Skylink image transmission technology of Autel Robotics, has strong anti-interference capability and supports the double-emission and double-receiving of 2.4GHz, 5.8GHz and 5.2GHz. It can complete the control and setting of aircraft and camera within at most 10km communication distance (FCC, no interference, no blocking) and can display a high-definition picture in mobile device in a real-time manner by Autel Sky App.
⑤ Return button Command the aircraft to return waypoint. ⑥ Command stick Control the direction and motion of aircraft. ⑦ Mobile device support It is used to fix the mobile device with the adjustable viewing angle. ⑧ Antenna The frequency for communication with aircraft is 2.4GHz / 5.8GHz / 5.2GHz. ⑨ Mobile device interface It is used to connect the mobile device. ⑩ Photo/video button Start or stop taking photo/recording video. ⑪ User-defined button Use Autel Sky to set functions.
3.2 Use remote controller 3.2.1 Turn on/off remote controller 1. Startup Press the power button ( ) for 2s till that a short beep sound appears. 2. Shutdown Press the power button ( ) for 2s till that a short beep sound appears. Important Be sure to turn on the remote controller before the aircraft power supply is connected. Be sure to turn off the aircraft power switch before turning off the remote controller. 3.2.2 Charge remote controller 1.
3.2.3 Remotely control aircraft The remote controller includes Mode 1, Mode 2 and Mode 3 based on operation habit and can also be self-defined in Autel Sky App. The beginner is recommended to use the Mode 2 as control mode.
Mode 3 Important The control mode of the remote controller is American manipulator by default. 3.2.4 Control camera 1. Photo/video button: short press the button to take photo or start/stop recording video. 2. Gimbal pitch control thumbwheel: toggle it to control the pitch angle of gimbal. 3.
3. Move the left and right command sticks and thumbwheel in turn to their maximum extent in the direction of the arrow on App. When the calibration of a direction is completed, the arrow in the direction will become blue.
3.4 Remote controller pairing The remote controller and the aircraft have been paired in the factory. If the remote controller needs to be paired again after replacement, please follow these steps: Method 1 1. Turn on the aircraft and the remote controller, double-click the aircraft battery button. The LED on the rear of the aircraft will flash quickly to show it is ready to pair. 2.
3.5 Optimum communication range When controlling the aircraft, it is necessary to timely adjust the orientation and direction between remote controller and aircraft. When the antenna plane directly faces the aircraft, the signal quality between the remote controller and the aircraft can achieve the optimal condition. It is necessary to maintain the aircraft within the best communication range when controlling the aircraft.
Chapter 4 Autel Sky App Autel Sky App integrates flying, shooting, editing and sharing functions, with the built-in simple and beautiful interactive interface, straightaway flight teaching and powerful and usable new editor, to enable that the user can get a quick start and enjoy the aerial photography. 4.1 Activation 4.1.1 Device activation When using the EVO Nano series for the first time, follow these steps to activate: 1. Unfold the aircraft arms, remove the gimbal cover, and turn on the aircraft. 2.
Important The user can purchase the Autel Robotics Care only after the activation is successful. The remote controller and the aircraft are paired by default at the factory. After replacing the remote controller or the aircraft, refer to section 3.4 for pairing.
4.2 Interface introduction 4.2.1 Home page 1. Album User can view and edit photos and videos in the album. The album includes SD card, internal memory, and device storage (Autel Sky) options. Photos and videos can be downloaded to local album. Click the “Create” option to select templates or tools for manual clipping.
Remark If the aircraft is not connected or the SD card is not inserted, the SD card option will not be displayed. The device storage is the default option. 2. Skill center Click the “Skill Center” option to select the product type and view the videos and instructions. 3. Personal center View the personal account, flight log, user terms,Autel care, and device management.
4.2.2 Camera interface 1 2 3 4 5 6 7 8 9 10 11 12 13 19 18 17 16 15 14 Important The user can slide the image transmission interface up to hide all the information and only display the image transmission screen. 1. Home page Click it to return to homepage. 2. Flight Mode Indicate the current flight mode. 3. Device status Indicate the flight status and various warning information of aircraft. In the case of abnormal status, click it to view the detailed information. 4.
5. Remote controller’s battery level Indicates the current remaining percentage of the remote’s battery. 6. Aircraft battery level Indicates the current remaining percentage of the aircraft battery. 7. Remaining flight time Indicate the remaining flight time of aircraft based on current battery level. 8. Obstacle avoidance Indicate whether the obstacle avoidance sensors have been turned on. 9.
2) Control - Unit: Set default units to metric (km/h or m/h) or imperial (mph/h) - Command stick mode: set the command stick mode as mode 1, mode 2, or mode 3. - Flight mode: set the control speed of the aircraft and gimbal. Options include smooth mode, standard mode, and ludicrous mode. - RC customizable button: click or double-click the customizable button on the left to set a custom function. - RC calibration: follow the prompt steps to calibrate the remote controller.
11. Shooting setting Set the shooting parameters. 12. Zoom Switch the zoom factor. 13. Shooting button Click the button to trigger the camera or start/stop recording video. 14. Album Click to enter the album page. 15. Shooting mode Photo: set shooting mode between (single/burst/AEB/timer), resolution, white balance, HDR, etc. Video: set shooting while recording, video frame rate, resolution, HDR, etc. Quick shot: select from four cinematic modes: fade away, rocket, orbit and flick.
16. Attitude Indicator Display the current aircraft position, aircraft nose orientation, operator position, home point position, and flight status parameters. H 800m 34m/s: Vertical distance and flight speed between aircraft and home point. D 10000m 34m/s: Horizontal distance and flight speed between aircraft and home point. 17. Map Click once to indicate the small map. Click the small map again to switch from the image transmission interface to the large map.
18. Gimbal Display the pitch angle of gimbal. 19. Tap to takeoff/land Click the takeoff ( ) / landing ( ) icon, hold and scroll it to takeoff/land the aircraft. The aircraft can be directed to land at the home point, or vertically land at its current position. Remark When the height of the aircraft is less than the set return height (30 meters by default), it will rise to the return height and then return to the departure point to land.
4.3 Camera function 4.3.1 Quick transfer The photo and video can be directly downloaded from EVO Nano aircraft to the mobile device at a transmission rate up to 20MB/s through Autel Sky App. Operating procedure 1. Turn on the aircraft power supply and place the aircraft on the ground. 2. Connect mobile phone to the remote controller, operate Autel Sky App, and pair aircraft and the remote controller. 3.
4.3.2 One-click quick shot The quick shot is shot by four shooting modes, namely fade away, rocket, orbit and flick. The aircraft automatically flies according to the selected shooting mode and continues to shoot for a specific time. Finally, it automatically generates a short video to support continuous editing and rapid sharing in the App. Fade away: the aircraft rises while moving back, and the lens follows the object for shooting.
share it to other social platform. 5. After user clicks the photo/video button on APP camera interface, uses the command stick of remote controller or short presses the remote controller pause button ( ) to quit the short film shooting, the aircraft will brake and hover at current position, and the materials taken before such interruption will be saved in album. Important Please use the short film shooting in an open environment free of obstacle and blockage.
4.3.3 Portrait Mode The portrait mode automatically recognizes the subject through the AI algorithm and blurs the background to highlight the subject. The user can choose a different scene mode, such as close, medium, or long shots according to the number of people. Close: suitable for 1-3 people. Medium: suitable for 3-5 people. Long: suitable for 5-10 people. Operating procedure 1. Make sure the aircraft is fully charged. Run the aircraft and rise to 2.5 m or higher. 2.
Important When using portrait mode, please make sure the GPS signal is good and the obstacle avoidance system is turned on. When the distance between the aircraft and the operator is greater than 30 meters, the App will open a window to ask the user whether it should fly to the directed location. Select "Confirm" and the aircraft will fly to that location.
Chapter 5 Flight EVO Nano series adopts the unique portable design and has been assembled in factory. In order to ensure safe operation of UAV, please read the following instructions and warnings before first flight. 5.1 Safe operation guide 5.1.1 Flight environment Please abide by the local laws and regulations on UAV flight. Fly only in the designated aircraft movement area, and use Autel Sky App to set the satisfactory distance and height limits.
Ensure that the aircraft motor, gimbal and camera can work normally after power on. Ensure that all alarms and errors displayed in Autel Sky App have been processed. Ensure that Autel Sky App and its firmware have updated to the latest version. Ensure that you are familiar with the control and operation of the aircraft. Only use the accessories supplied with the aircraft or sold or authorized by Autel Robotics for the aircraft.
5.2 Flight preparation 5.2.1 Battery preparation 1. Install aircraft battery Turn off the battery power switch before installing battery, and insert the battery into battery compartment. 2.
5.2.2 Remote controller preparation 1. Connect mobile device Extend the mobile device support, place the mobile device on the support, insert the mobile phone port of the remote controller connector into the mobile device (it is allowed to replace corresponding Micro USB, USB-C, Lightning interface adapter for remote controller). Ensure that the mobile device has firmly been inserted into the slot. 2. Turn on remote controller Press the power button ( ) for 2s to turn on the remote controller. 5.2.
2. Turn on aircraft Press the power button for 3s to turn on the aircraft. The power indicator will be lit to indicate the current battery level. 3. Pair aircraft and remote controller Refer to the paragraph 3.4 for this operation procedure. 5.3 Flight operation This aircraft includes three command stick modes, mode 1, mode 2, mode 3 and each mode has different control on the aircraft. Please refer to the paragraph 3.2.4 for detailed stick operation.
5.3.2 Takeoff Remark The aircraft cannot fly when the battery level is 15% or below. Stay away from the rotating propellers and motors. 1. Manual takeoff 1) As shown in figure, press the left and right sticks for 1s to start motor. or 2) Slowly push up the left stick. Warning Motor will generate heat during operation. Please operate with care. If you are the first time to control the aircraft, please move the command stick gently till that you are familiar with its operation. 2.
2) The aircraft will automatically rise to the height of about 2.5m. During the rising, you can adjust the position of the aircraft by using the left command stick. Warning Never take off on moving object, such as moving ship and vehicle. 5.3.3 Landing Important Always land on a flat and open surface. 1. Manual landing 1. Find an appropriate aircraft landing position. 2. When the aircraft arrive above the target position, release the command stick to make the aircraft hover. 3.
The automatic landing can also be used in ATTI mode. However, the aircraft may drift in this mode, so its flight height shall be monitored. In the case of low battery alarm, the rear LED of the aircraft will flash red. At this time, it is necessary to return the safe landing point as soon as possible. 5.
A circular area centered on this area and with a radius of 1km 2. Warning area APP will give a warning information when the aircraft enters the area of 2km from the airport. 5.4.2 Height limit and distance limit The maximum height is used to restrict the flight height of the aircraft, and the maximum radius is used to restrict its flight distance. User can make settings in Autel Sky App.
Chapter 6 Maintenance and service 6.1 Firmware update In order to optimize the system performance of EVO Nano series aircrafts, Autel Robotics will update relevant firmware when necessary. 6.1.1 Download and update firmware 1. Turn on your remote controller and aircraft, connect your mobile phone to the remote controller, operate Autel Sky app. 2.
In the case of network outage during update, the update may be failed. The whole update process will take more than ten minutes. The following situations may occur in the aircraft during update: it is normal that the gimbal is weak, the status indicator flashes abnormally, or the aircraft restarts; Please wait patiently for completing firmware update. Ensure that the aircraft and remote controller have the battery level of more than 30%.
Scope of service: Within the warranty period, the product has the non-human performance fault during normal use; The product is not disassembled without approval or modified or added as instructed by non-official manual, or has other non-human faults; The equipment serial number, factory label and other marks are not torn away or altered; The effective proof of purchase, document and document number are provided; The implementation of the specific rules of this service is subject to the l
for warranty service. 6.4 Customer service This section includes the information on technical support, maintenance service, application for replacement and spare parts. 6.4.1 Technical support If you have any problems or questions about our product, please contact Autel Robotics’ customer support: North America/Europe Tel: (844) 692-8835 Email: support@autelrobotics.com / support.eu@autelrobotics.com Website: www.autelrobotics.com 6.4.
The customer support personnel of Autel Robotic will evaluate the problem and give a reply within 2 days. Remark All contents of the product may be deleted during maintenance. You are advisable to create a backup copy for the product before delivering it for warranty service.
Chapter 7 Technical Specification Takeoff weight 249g Dimensions (including blades) Folded: 142×94×55mm Unfolded: 260×325×55mm Wheelbase 231mm Max level flight speed (no wind, near sea level) 5m/s (ludicrous), 4m/s (standard), 3m/s (smooth) 4m/s (ludicrous), 3m/s (standard), 2m/s (smooth) 15m/s (ludicrous), 10m/s (standard), 5m/s (smooth) Max takeoff altitude 4000m Max flight time (no wind) 28min Max ascent speed Max descent speed Aircraft Max hovering time (no wind) Max flight distance (no wi
Stabilization 3-axis Max control speed (pitch) 30°/s Angular vibration range ±0.003° Forward Backward Perception system Downward Operating environment Sensor Lens Camera (Nano) Shooting mode ISO range Shutter speed Portrait blur Defog mode Accurate measurement range: 0.5~16m Effective sensing speed: <10m/s FOV: Horizontal<40°,Vertical<30° Accurate measurement range: 0.5~18m Effective sensing speed: <12m/s FOV: Horizontal<40°,Vertical<30° Accurate measurement range: 0.
Zoom range Digital zoom: 1 ~ 16 times Photo format JPG(8-bit) / DNG(10-bit) / JPG+DNG Photo resolution Photo shooting mode 48MP: 8000x6000 (4:3) 12MP(default): 4000x3000 (4:3) 4K: 3840x2160 (16:9) Single shot Burst shooing: 3/5 Auto exposure bracketing(AEB): 3/5 shots Interval: 2s/3s/4s/5s(default)/6s/...
ISO range Shutter speed Portrait blur Defog mode Support Zoom range Digital zoom: 1 ~ 16 times Photo format JPG(8-bit) / DNG(10-bit) / JPG+DNG Photo resolution Photo shooting mode 50MP: 8192x6144 (4:3) 12.5MP (default): 4096x3072 (4:3) 4K：3840x2160 (16:9) Single shot Burst shooing: 3/5 Auto exposure bracketing(AEB): 3/5 shots Interval: 2s/3s/4s/5s (default)/6s/...
Adapter Aircraft battery App Storage Transmission power (EIRP) FCC: ≤30dBm; CE: ≤20dBm Battery capacity 3930mAh Max battery life ~ 2h (when connected to a mobile phone) ~ 3h (when not connected to mobile phone) Interface type Type C Transmission system Autel SkyLink Realtime transmission quality Transmission distance<1km: 2.
