iStartek VT600 is a vehicle GPS tracking device suitable for fleet management, public transport management, school bus management, taxi operation management, vehicle insurance company management, rental management, private car anti-theft, etc. The device features a 500mAh backup battery, vibration sensor, 3 digital inputs, 1 analog input, 1 output, 1 Mic port, 1 USB port. Other functionality includes SOS alarm, power-cut alarm, engine and door ON/OFF status alarm, geo-fencing alarm, speeding Alarm, GPS blind area alarm, harsh acceleration / deceleration alarm, low battery alarm, low external battery alarm, remote Control of oil and electricity, iButton for driver identity recognition (optional), buzzer alarm (optional), fuel monitoring (optional), temperature monitoring (Optional).