1. Material: ABS plastic 2. Waterproof function: IPX5 3. Provide lifetime free mobile APP and website 4. Alarm mode: vibration alarm, low battery alarm, speeding alarm 5. Built-in 150mAh /3.7V battery 6. Real-time vehicle tracking, GPS tracking device 7. Suitable for any car with 16pin OBD interface 8. Remote positioning and acquisition of vehicle location via GPRS 9. Support map location query function 10. No installation required, no wiring harness required, just plug in the OBD interface 11. Working mode: support GPRS and SMS mode 12. External power supply form: OB plug-in power supply 13. Dimensions: 40x35x20mm