Specification: Item Type: GPS OBD Car Locator_x000D_Material: ABS_x000D_Colour: Black_x000D_GSM Module: 850 900 1800 1900MHz_x000D_GPS Sensitivity: -159dBm_x000D_GPS Positioning Accuracy: 5m/16.4ft_x000D_GPS Center Frequency: L1, 1575.42MHz_x000D_GSM Positioning Accuracy: 100-500m/328-1540ft_x000D_Speed Accuracy: 0.1m/0.33ft_x000D_Built-in Battery: Lithium ion Battery_x000D_Battery Capacity: 4000mAh_x000D_Scope of Application: Cars, Passenger Cars, Trucks Features: 1Feedback Error: SMS report error and operating information; WeChat, SMS, telephone, for IOS and for Android App, Wap and Internet access various positioning methods. 2Intelligent Detection: GPS tracking device automatically uploads when the vehicle is moving, automatically sleeps when parking, and will not run out of battery power and cannot start. 3Positioning Function: GPS OBD car locator can be used for base station positioning in areas without GPS signal (basement, etc.), and the GSM quad band system is universal. 4With Battery: OBD GPS car tracking device has built in backup battery, which can realize the removal of power failure alarm (can be turned off). 5Alarm: The GPS car tracking device has a built in vibration sensor to realize vehicle intelligent vibration alarm and anti theft. Ultra wide working voltage, universal for 12?24V vehicles. PackageList: 1 xGPS OBD Car Locator 1 x Manual