gps vehicle tracking system

Specifications 1, gps vehicle tracking system

2, Overspeed alarm

3, Listening in

4, gprs tracking function

gps vehicle tracking system   Function and feature of  gps tracking system:   1. Bands (900Mhz/1800MHz 900-b, 850Mhz/1900Mhz 900-p) 2. Overspeed alarm 3. Listening in 4. Alarm report to your cell phone by short message 5. 4 user's phone numbers 6. LED indicator 7. Tracking by cell phone 8. Auto position report 9. Remote cut off engine 10.Power off alarming II) Specification Size: 75mm*54mm*25mm Color: Silver Location error: < 15m Current: 60mA/30mA 12V DC Input Voltage: 9V~32V Working Temperature: -20C~75C     kits   A GPS main panel, one relay, a GPS antenna, a GSM antenna, a bundle of 8PIN wire