Digital Inclinometer Alarm Speed Meter Car with Fatigue Driving Alarm Suitable for Trucks Vehicles

The for smart horizaontal speedometer for driving, fully supports high-precision of car speed, vehicle tilt/ , car battery and so on, to your driving . Adopts color - LCD display with high resolution, and adjust the brightness of the screen by using the sensitivity of the light . Accurate display of vehicle tilt/ changes, when the is over 40°, the alarm alerts to insure your . And fatigue driving alarm alerts after driving for 4 hours. After connected to power supply, there will be backlight inside, which will help you see precisely in for case of night or dark situation. Widely fits for cars, trucks, , buses and other vehicles and suitable for self-driving and off-road activities.