Fangrui Product Details 1. Obd Car 4g Gps Locator Tracker 2. When The Vehicle Leaves The Set Safety Area, The Mobile Phone App Immediately Receives An Alarm Reminder From The Locator. 3. 4g Fast And Accurate Positioning In Seconds, Unlimited Distance Blind Area 4. Functions: Location Query, Electronic Fence, Overspeed Alarm, Vibration Alarm, Power Failure Alarm, Real-time Trajectory 5. Input Voltage: 9-35v 6. Positioning Time: 7. Average Hot Start: Less Than Or Equal To 3 Seconds 8. Average Cold Start: Less Than Or Equal To 35 Seconds 9. Positioning Accuracy: Less Than Or Equal To 10 Meters 10. Working Temperature: -20~75 Degrees Celsius 11. Applicable Areas: Hong Kong, China Taiwan, China North America South America Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.