•【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: •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