Product Review

Features:
1.Use SIM card (Not included)
2.Sound control dialing
3.Environmental surveillance
4.LBS Positioning
5.SOS Emergency Call
6.Real Time 4 bands GSM/GPRS
7.Operation Frequency: GSM850/900/1800/1900MHz
8.VOX Back Call
9.12 days standby time
Parameters:
Size: 43.2 x 32 x 13.6 mm
Weight: 30g
Connection: GSM / GPRS
GSM Frequency: 850/900/1800/1900 MHz
Charger Input: AC110-220V 50/60 Hz
Charger Output: DC5V 500mA
Battery: Rechargeable battery 3.7V 500mA Li-ion battery
Storage Temperature: -40 to 80 degrees
Working Temperature: -20 to 55 degrees
Hunidity: 5%-95% non-condensing