•【Real-Time Data Display】Simultaneously measures and displays tire pressure (PSI) and temperature (℉) for all 4 tires,providing drivers with crucial information at a glance for optimal safety and maintenance. •【Dual Charging Options】This solar-powered TPMS can be charged via solar energy or USB,ensuring continuous operation under any conditions for worry-free driving. •【Smart Power Management】Features an intelligent auto on/off mechanism that activates when the vehicle starts and shuts off when stationary,conserving energy and extending battery life. •【Comprehensive Tire Pressure Monitoring】Suitable for various vehicles including RVs,off-road pickups,and trailers,supporting tire pressure values up to 9.9Bar to enhance safety and performance. •【With Internal Sensors】Made of quartz-magnesium alloy,it is safely hidden in the tire,easy to use without worrying about theft,safer and more secure. Specifications: •Main material: ABS •Host battery: built-in 3.7V 300mAh lithium battery •External sensor battery: built-in CR1632 button battery •Screen pressure unit: PSI/BAR •Screen temperature unit: ℃/℉ •Working temperature: -20℃ to 70℃ •Waterproof level: IPX7 •Pressure range: 0-9.9BAR/0-144PSI •Transmitting frequency: 433.92 MHz •Transmitting power: >10 dBm •Charging voltage: DC 5.1V Package included: •1 x Host •4 x Internal Sensor •4 x Anti-theft Nut •1 x Wrench •1 x Double-sided Tape •1 x Charging Cable •1 x English Manual