Feature: 1. This device through GPS and AGPS double position provide more accurate and fast position. 2. Smart saving location data, when recovery the GSM signal, reupload location data of the blind area. 3. Multi-function alarm, dismantling alarm, vibration alarm, transboundary alarm, over-speed alarm, moving alarm. 4. There is smart mode, low power consumption, save power and GPRS cost. 5. Free installation, easy to operate, just need to insert in OBD interface of car, you can use it, won\u0027t damage the car line. Specification: Features: This device through GPS and AGPS double position provide more accurate and fast position. Smart saving location data, when recovery the GSM signal, reupload location data of the blind area. Multi-function alarm, dismantling alarm, vibration alarm, transboundary alarm, over-speed alarm, moving alarm. There is smart mode, low power consumption, save power and GPRS cost. Free installation, easy to operate, just need to insert in OBD interface of car, you can use it, won't damage the car line. Specification: Working Voltage: 12V - 36V GPS Sensitivity: -159dBm GPS Accuracy: 10m Network: GSM/GPRS Network Frequency Band: 850/900/1800/1900Mhz Storage Temperature: -40°C to +85°C Operation Temperature: -20°C to +55°C Humidity: 5%--95% non-condensing Material: Plastic & Metal Color: Black Package Size: 10 * 8 * 3.3cm / 3.94 * 3.15 * 1.30in Package Weight: 86g / 3.03oz Package List: 1 * Mini OBD II Car GPS Tracker 1 * User Manual Package List: 1 * Mini OBD II Car GPS Tracker 1 * User Manual