... compatibility, ,,2.Original vehicle anti-theft,3.Do not need dismantle vehicle4.Do not need broken Vehicle wire 5.GPS ... time record,Wire waterproof12.Anticorrosive,Anti-beat13.Waterproof,dustproof14Geofence15.illegal host demolition alarm16.positioning/playback17.show overspeeding points 18.all the ... /car, just such as put the car in your pocket, Anti theft and do not worried steal .7.OBD interface ...