RF-V11 GSM GPRS Real-time Tracker Vehicle Alarm with SOS AGPS Vibration Sensor Alarm Voice Alarm Door Locking Security

1. simple operation，without install

2. GSM/AGPS tracker，all global GSM network can be use

3. the door was opened/closed， will send SMS and call you.

4. Active listening

5. voice trigger call back

6. Remote battery check

7. Low battery remind

8. all funtion can be remote star /stop

9. GSM network 850/900/1800/1900MHZ

10. size:45*34*14mm weight:29g

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