1Ensure Driving Safety: Solar motorcycle tire pressure monitoring system, real time monitoring of tire pressure and temperature, to protect tires and driving safety. 2Lcd Display and Waterproof: IP67 waterproof rating sensor and display, rustproof and durable. Lcd digital display, clearly visible day and night. Easy to install without removing tires. 3Dual Charging Mode: Motorcycle Tpms supports solar charging and USB charging. Built in 400mAh battery. The monitor turns on and off automatically, saving power. 4Auto On Off: It will automatically turn off when the motorcycle has not moved for a period of time, and it will automatically turn back on once the motorcycle motion is detected. 56 Kinds of Abnormal Alarms: With a variety of alarms, high pressure alarm, low pressure alarm, air leakage alarm, high temperature alarm, low battery alarm, sensor disconnection alarm.