Features: Real time tracking: Real time tracking is achieved through platform/APP. Positioning method: Supports LBS positioning. Electronic fence alarm: Set the area and issue alarm when it exceeds the scope. OBD port designing: easy to install. Historical trajectory playback: You can view the historical driving trajectory. Freely platform/app: Provides freely platforms and applications. Dismantling alarm: Optional battery power supply, supporting dismantling alarm function. Specifications: Material: ABS Color: Black Size: approx. 50x26x38mm/1.96x1.02x1.5inch Frequency: 850/900/1800/1900MHz OBD Port: Support 16 pin standard OBD2 port Location: Positioning+LBS+AGPS Chipset: high sensitivity chip Working voltages: DC9-36V Working Temperature: -20 to +70 Main Function: Real-time tracking by platform/APP LBS positioning Geofence alarm OBD port design and easy installation Over speed alarm History Tracking Playback Remove alarm(Need optional battery) Note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution. Package includes: 1Pc OBD Tracking Adapter