Product Description: off-road vehicle gradient meter is a compact and powerful car instrument product. The instrument has functions such as vehicle speed, time, altitude, mileage, etc. It is especially suitable for off-road vehicles without gradient meters. Product installation: 1. Insert the car charger cable into the vehicle, and then plug the miniUSB head socket into the rear socket of the host. 2. The provided modification cable can be connected to the vehicle ACC power supply terminal, and the unit will automatically switch on and off after the vehicle starts and turns off. 3. Paste the double-sided tape on the base of the main unit, and find a suitable position to on the instrument panel. Product Parameters: Working voltage: 5V-35V DC Working current: 80mA Sleep current: 10mA Working temperature: -20~75 Main functions of the product: 1. Altitude display 2. Satellite time display 3. Travel speed display 4. Battery voltage and current display 5. Driving time 6. Compass display 7. Current distance travelled 8. Total distance travelled 9. Driving direction 10. Roll angle display 11. Pitch angle display 12. and longitude measurement 13. Automatic brightness adjustment 14. Number of positioning satellites 15. Fatigue warning 16. Fatigue warning The off-road vehicle slope meter is a compact and powerful automotive instrument product. The instrument has functions such as vehicle speed, time, altitude, mileage, etc., and is especially suitable for off-road vehicles without a slope meter. Material: plastic+metal colour: black Package Contents: 1 * monitor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.