1、Real Time Location: 4G OBD tracker can track the location of vehicles in real time, providing accurate real time location data, making it easier to track vehicles in emergency situations. 2、Remote Monitoring: Remotely monitor the driving route, comprehensive monitoring of the vehicle condition, and improve the safety and management efficiency of the vehicle. 3、Reduce Energy Consumption: Monitor the fuel consumption of the vehicle in real time and provide fuel saving suggestions to help vehicle owners reduce fuel costs and improve economic benefits. 4、Easy Operation: The GPS car tracker can be easily installed and operated through the OBD interface, without cumbersome wire interface, convenient and fast. 5、Extendable: GPS car tracking device supports a number of extended functions, such as on board cameras and alarms, to meet the needs of different users. Item Type: OBD GPS Car Tracker Material: ABS Positioning Mode: GPS + for Beidou + LBS Battery: 100mAH (3.7V) polymer battery (built in) Working Voltage: 12-36V DC Positioning Module Chip Model: For QUECTEL_ _AT6558R . Band FDD: B1, B2, B3, B4, B5, B7, B8, B28, B66 GSM, GPRS, EDGE 850, 900, 1800, 1900MHZ Function: Plug and play, wireless, charge free, geofencing, vibration alarm, displacement alarm, driving route playback, position query, shorten curve upload interval, power failure alarm (unique function of product with battery) Positioning Accuracy: <10 meters, subject to the actual situation 1 x OBD GPS Car Tracker 2 x Manual