Polymer Battery Mini Hidden Car GPS Tracker System Heart Beat Function

Polymer Battery Mini Hidden Car GPS Tracker System Heart Beat Function 1. Advanced version GPS tracker AT09SD,Support SD card to store data, help user used for safety | manpower utilization | fleet management | vehicles maintenance | Fuel/Oil management. 2. Metal casing AT09SD is GPS/GPRS tracking device, with small dimension, connect many accessories at the same time : RFID, IButton, camera, 2 temperature sensors, fuel level sensor and other accessories. 3. different reports