Feature:1. Feedback Error: SMS report error and operating information; WeChat, SMS, telephone, for IOS and for Android App, Wap and Internet access various positioning methods.2. Intelligent 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.3. Positioning 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.4. With Battery: OBD GPS car tracking device has built in backup battery, which can realize the removal of power failure alarm (can be turned off).5. Alarm: 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 1224V vehicles.Specification:Item Type: GPS OBD Car LocatorMaterial: ABSColour: BlackGSM Module: 850 900 1800 1900MHzGPS Sensitivity: -159dBmGPS Positioning Accuracy: 5m/16.4ftGPS Center Frequency: L1, 1575.42MHzGSM Positioning Accuracy: 100-500m/328-1540ftSpeed Accuracy: 0.1m/0.33ftBuilt-in Battery: Lithium ion BatteryBattery Capacity: 4000mAhScope of Application: Cars, Passenger Cars, Trucks.Package List:1 x GPS OBD Car Locator1 x Manual