Features: 1.OBDII Interface: Simple mini OBD tracking device; Just plug this GPS tracking device into the OBDII port under the dashboard of any car. 2.Geofencing Protection: After setting a certain distance, once the device exceeds the distance, your phone will receive an alert prompt. 3.Shock Alert and Overspeed Alarm: Your phone will receive a SMS alert when the device exceeds the distance; once the speed exceeds the set speed, it will alarm. 4.Battery Protection: Built in lithium ion battery, remote harassment alarm, if the battery is stolen, the OBD tracking device will send an alarm. 5.Large Data Storage Capacity: Historical track storage, can store up to 3 months of historical track; with LED indicator to display GPS working status. 6.Multipurpose: GPS tracking devices help monitor your car, monitor your kids' driving behavior, keep your loved ones safe, track burglars, and more. Specification: Item Type: GPS Tracking Device_x005F_x000D_ Material: ABS_x005F_x000D_ _x005F_x000D_ Colour: Black_x005F_x000D_ _x005F_x000D_ Network: GSM / GPRS_x005F_x000D_ GPS Bands: GSM 850/900/1800/1900MHz_x005F_x000D_ GPRS: Class 12, TCP / IP_x005F_x000D_ Working Voltage: DC 9- 50V_x005F_x000D_ Working Current: DC 12V 22mA, DC 24V 12mA_x005F_x000D_ GPS Locating Time: 38s (cold start), 32s (warm start), 2s (hot start)_x005F_x000D_ GPS Precision: 10M ( 2D RM )_x005F_x000D_ Working Temperature: - 20C - 70C