Feature: 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 Material: ABS Colour: Black Network: GSM / GPRS GPS Bands: GSM 850/900/1800/1900MHz GPRS: Class 12, TCP / IP Working Current: DC 12V 22mA, DC 24V 12mA GPS Locating Time: 38s (cold start), 32s (warm start), 2s (hot start) GPS Precision: 10M ( 2D RM ) Working Temperature: - 20°C - 70°C . Package List: 1 x GPS Tracking Device1 x Manual