Features: Real-time monitoring of tire pressure: When the tire pressure is too high or too low, the host will issue an alarm and display the tire pressure value to quickly find the tire problem. Temperature monitoring: When the tire temperature is too high, the host will issue an alarm and display the real-time tire temperature value, and locate the high-temperature tire so that the driver can deal with it accordingly. Safety early warnings: Provide you with early warnings of airs leaks and other abnormal tire conditions, so corrective measures can be taken and tire life can be extended. Real-time information: The display shows real-time pressure and temperature, can be stably placed anywhere, and you can easily read the data. Solar energy: Tempered glass solar panel and built-in lithiums battery, support USB cable charging and solar charging. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Operating voltage: 3.7V Operating temperature: 70 DegreeC Waterproof rating: IPX7 Pressure range: 0-6 bar Transmitting frequency: 433.92 MHz Transmitting power: >10 dBm Charging voltage: DC 5.1V Package includes: Main unit + 4 sensors + 1 charging cable + 4 anti-theft nuts + 1 wrench + 1 instruction manual+ 1 certificate + 1 double-sided tape + 1 color box Package List: 1 Set Solar Powered Car Tire Pressure Monitoring Tool