•【Real-Time Data Display】Simultaneously monitors and displays tire pressure(PSI) and temperature(°F) for all 4 tires,providing drivers with crucial information at a glance for optimal safety and maintenance. ・【Dual Charging Options】This solar-powered tire pressure monitoring system can be charged via solar energy or USB,ensuring continuous operation under any conditions for worry-free driving. ・【Intelligent Power Management】Features a smart auto on/off mechanism that activates when the vehicle starts and shuts down when stationary,conserving energy and extending battery life. ・【Comprehensive Tire Pressure Monitoring】Compatible with various vehicles including RVs,off-road pickups,and trailers,supporting tire pressure values up to 9.9Bar for enhanced safety and performance. ・【Easy Installation】Equipped with internal sensors,this tire pressure monitor can be installed quickly and easily. Specifications: ・Product Name:Tire Pressure Monitoring System ・Main Material:ABS ・Main Unit Battery:Built-in 3.7V 300mAh lithium battery ・External Sensor Battery:Built-in CR1632 button cell ・Screen Pressure Units:PSI/BAR ・Screen Temperature Units:℃/℉ ・Operating Temperature:-20℃ to 70℃ ・Waterproof Rating:IPX7 ・Pressure Range:0-9.9BAR/0-144PSI ・Transmission Frequency:433.92 MHz ・Transmission Power:>10 dBm ・Charging Voltage:DC 5.1V Package included: ・1xHost ・4xInternal Sensor ・4xAnti-theft Nut ・1xWrench ・1xDouble-sided Tape ・1xCharging Cable ・1xEnglish Manual