Excellent stand by and working time.

 Power on: Open the back. Sim card in the deck automatically boot. boat light is 3 seconds. After the lights go out you can enter the sim card number.

Installation: Confirm the GSM netword signal strength. If not to affect the results cause can not be used.

Number of settings: The sim card number with cell phone or phone, then hang on the setting success. 

 Voice feature: Send 1111 message to the sim card number then voice control is open; send 0000 message to the sim card number then voice control is closed.

The flash of red light indicates the sim card is correctly inserted. SIM will completed initialization and maintained in standby status and the light off and it is ready to go.

Charging method: When the device is fully charged, only Red LED lighting ON. The Green LED light will OFF.

Receive Sensitivity: - + 10k GPRS

Working Temp: -40 ~ 50 Gps locator

Card Compatible: GSM / SIM (not included)

Microphone Range (Meter): 5 ~ 7 (Radius) Gps tracker

Responding Frequency: 1.2 k ~ 800khz Mini gps locator

Work frequency: 850mhz, 900mhz, 1800mhz, 1900mhz

Standby Time: Support voice control with 5-7 days, 12-15 days without voice control