Features: 1.Multifunctional: Combining the three functions of gradient meter, HUD display, and tire pressure detection greatly improves the safety protection level for users. 2.Stable Signal: Data is obtained from satellites through GPS and Beidou dual channel modules, which is suitable for all motorcycle models on the market. 3.Clear Display: Display vehicle roll and pitch angle, satellite time, vehicle speed, altitude, longitude and latitude, compass, etc. and speed alarm. 4.Automatic Detection: Start with the car, automatically detect the driving condition of the vehicle, and automatically sleep when parked. 5.Flexible Use: The wireless tire pressure monitor is easy to install and swivels freely, making it flexible and convenient for car owners to use. Specification: Item Type: Tire pressure monitoring system Material: ABS high temperature resistant Power Supply: DC10V-30V Voltage Measurement Range: DC10V-30V Voltage Measurement Accuracy: 0.5V Speed Accuracy: