User's Manual
2 Appearance
2.1 LEDstatus(non‐sleepmode)
2.1.1Red LED (Power/working status)
LED Status Indication
Flash quickly (interval 0.1S) Low battery
Flash slowly (interval 2s) Full charge/Working normally
Flash slowly (Flash 0.1s after every 2s) Working normally
Bright Charging
Dark Out of battery / Troubleshot
2.1.2 Blue LED（GPS signal status）
LED Status Indication
Flash quickly (interval 0.1s) Searching GPS signal
Flash slowly (Flash 0.1s after every 2s)
GPS signal has been acquired
successfully
Dark GPS stops working
2.1.3 Green LED (GSM signal status)
LED Status Indication
Flash quickly (interval 0.1s) Receive GSM signal normally
Flash slowly (flash 0.1s after every 2s) GPRS online