Car Tire Pressure Monitor With Built-in And External Wireless High-precision Universal 4-wheel Testing Device DisplayFeatures:High Efficiency Solar Charge & USB Charge can assurance the tire monitoring system working continuously. Upgrade large-area solar panel design to support efficient solar charging. With built-in rechargeable imported lithium battery, strong battery life, the RV Tire Pressure Monitoring System also can be charged by USB when there is no sun, whether it is sunny or cloudy, rain or snow, it will not affect its use. Help you focus on driving. Rv tire pressure monitoring system provides fast leak alarm, high pressure alarm, low pressure alarm, high temperature alarm, and sensor fault alarm. The TPMS tire pressure monitor system can provide audio alarms when tire pressure and temperature are abnormal. Remind you of the tire condition of the vehicle to extend tire life, ensure driver and avoid accidents. Tire pressure monitor can monitor the real- pressure and temperature of 4 tires at the same. The monitor will automatically turn off the screen when no vibration is in about 5 minutes. When a vibration is , the monitor will automatically turn on. Reduce energy consumption and extend life. Supports IP67 , the tpms tire pressure sensor can work well in any environment, , snowproof, - and extends tire life. With the advantages of stable and fast real- transmission, accurate data, and low power consumption. The wireless installation and signal receiving easy to use, and save space. Product Description:PRODUCT SPECIFICATIONSMaterial: ABSWeight: 205gPACKAGE INCLUDES1/2/3 x Tire Pressure Monitoring System