GPS+GSM+GPRS wireless network
GSM 850/900/1800/1900 MHz Quad-band
High sensitive GPS chipset
Real-time tracking
Built-in GSM&GPS antenna
Built-in ON/OFF power, wide voltage input range
Built-in acceleration sensor for vibration alarm
Support ACC detection, real-time reporting car status
Built-in 450mAh battery for alarm when the power supply is disconnected unexpectedly
Tele-cut off (petrol/electricity) function
SOS button for SOS alarm
Voice monitor function
Check location information via SMS and GPRS(TCP)
Built-in CPU, restart automatically
Three LED indicators: GPS-blue; GSM-green; Power-red
Check location via platform 
2 analog input (ACC, SOS) and 1 digital output (oil/electric cut off)