hud p21 is a multi functional instrument, obd + gps system, which can measure the slope and inclination angle of off-road vehicles, as well as the inclination data of up and down slopes. - it can monitor the vehicle's left and right tilt, climbing/downhill angle in real time, and provide vehicle body attitude change information for outdoor off-road and extreme crossing to ensure driving safety. - provides vehicle speed, direction, engine load notification, with high-precision satellite real-time clock and direction functions. - ?obd + gps+ slope meter - 11 style interfaces to freely switch between - universal for all vehicles
