•【Real-Time Data Display】This tire pressure monitoring system simultaneously measures and displays pressure (PSI) and temperature (℉) for up to 4 tires,providing drivers with crucial information at a glance for optimal safety and maintenance. •【Dual Charging Options】Featuring both solar and USB charging capabilities,this TPMS ensures continuous operation under any conditions,offering peace of mind during your travels. •【Smart Power Management】The system incorporates an intelligent auto on/off mechanism,activating when the vehicle starts and shutting down when stationary,conserving energy and extending battery life for worry-free driving. •【Comprehensive Tire Monitoring】Suitable for a wide range of vehicles including RVs,off-road pickups,and trailers,this solar-powered TPMS supports pressure readings up to 9.9 Bar,enhancing 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