User's Guide

6
2.2 Hardware Overview
2.3 LED Patterns
Function
Action
LED Indicator
Power ON/OFF
Press and hold the power button for
more than 3 seconds
Power On: Off
→
On
Power Off: On → Off
Reset to Factory
Default
Press and hold the power button for
more than 10 seconds
Quickly Blinks
Threshold Alarm
When the level does not exceed the
threshold
Green Blinks
When the level exceeds the threshold for
more than 1 minute
Red Blinks
2.4 Dimensions (mm)
3. Power Supply
Remove the rear cover of the device to install the batteries, do not reverse the direction of the
batteries when installing.