Welcome to our store! 1. Wide Application: The black shell is easy to conceal, making it ideal for tracking cars, trucks, teens, spouses, seniors, or assets. 2. High Positioning Accuracy: Built-in GSM antenna, 850/900/1800/1900 MHZ GSM frequency; 159 dBm GPS sensitivity, real-time tracking with intervals. 3. Multifunction: Returns data from signal dead zones; GPS inflection point addition transmission; APN adaptive status query; Low battery alarm. 4. Driver and Vehicle Alerts: Overspeed alarm; Geofence alarm; Vibration alarm; Power failure alarm; History playback. 5. OBD Port: No battery needed, powered by OBD. Locate loved ones' phones directly when they walk, bike, or take public transportation. Item Type: Car Tracking Device Material: ABS GSM Module: RDA8955 GSM Frequency: 850/900/1800/1900 MHZ LBS Positioning Accuracy: 100-500 meters Built-in GSM Antenna Battery: Lithium Polymer Battery 80mAh (included) GPS Chipset: For U-blox 7020 GPS Sensitivity: 159 dBm GPS Frequency L1: 1575.42 MHZ Channel 35 Channel Control Track GPS Positioning Accuracy: 5-10m, 2D RMS Speed Accuracy: 0.1m/s Time Accuracy Synchronized with GPS GPS Data: WGS-84 Quick Start: <1s Hot Start: <38s Maximum Altitude: Approx. 18000m/19685yd Maximum Speed: 515m/s Gravity Acceleration: <4g Working Voltage: 9VDC-36VDC Working Current: 50mA-160mA Working Temperature: -20℃-70℃ Humidity: 5%-95% 1 x OBD Tracking Device Customers are our top priority. If you find any problems with your product after you receive it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.