coin size real-time car gps tracker alarm with voice surveillance RF-V8

1. Using military technology

2. Super mini GPS device

3. Vibrating sensor burglar alarm with 4 levels of sensitivity

4. Quad band GSM module

5. Sound sensor alarm

6. Trace replay

7. Vibration sensor alarm 

8. Remote listening function

9. Low Battery Charge Alert

10. Polygon Geo-fence Alarm

11. SIM-changing Alert

12. Easy to operate

13. Multiple tracking way