Features:
100% Brand New and High Quality.
GSM Quad-band frequency
Wide input voltage range: 9-24V
Built-in vibration sensor， smart anti-theft
ACC ignition detection， vehicle status notification
External SOS button， used in emergence cause use
Built-in back up battery， support illegal main power cut-off alarms
External relay， used to cut off engine power or oil remotely

Specifications:
GSM frequency: 900/18000MHz or 850/1900MHz
GPRS: class 12， TCP/IP
Voltage range: 9-24V
Standby Current: ≈0.2mAh 
Power consumption: 0.5w/h
GPS accuracy: 10m(2D RM)
Working Temperature: -20 ~ +70Deg.C
Working Humidity: 20% — 80%RH 
Dimensions: 9.3*6.2*2.5cm

Package Includes:
1 x Car Realtime Tracking Device
1 x 7P power cord
1 x GPS antenna 
1 x GSM antenna
1 x Relay
1 x SOS button