Feature 1Real-Time Data Display: The tire monitoring system simultaneously measures and displays pressure (PSI) and temperature (F) for all six tires, providing drivers with critical information at a glance for optimal safety and maintenance. 2Dual Charging Options: This solar tire pressure monitoring system offers convenient charging through both solar energy and USB, ensuring continuous operation regardless of conditions, so you can drive with confidence. 3Intelligent Power Management: Featuring an intelligent automatic on/off mechanism, the RV tire pressure monitoring system saves energy by turning on when the vehicle starts and shutting off when stationary, ensuring a worry-free experience and extended battery life. 4Comprehensive Tire Pressure Monitoring: Our solar tire pressure monitoring system is designed for various vehicles, including RVs, off-road pickups, and trailers, supporting tire pressure values within the range of 9.9Bar for enhanced safety and performance. 5Easy Installation: Equipped with external sensors, this tire pressure monitor allows for quick, hassle-free installation in just 2 minutes without the need for tire disassembly, wiring, or complex balancing setups, making it user-friendly for everyone. Item Name: Tire Pressure Monitoring System Main Material: ABS Host Battery: Built-in 3.7V 300mAh Lithium Battery External Sensor Battery: Built-in CR1632 button cell Screen Pressure Unit: PSI/BAR Screen Temperature Unit: / 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 Product Color: Black Product Size: 9.4*8.3*2.6cm/3.7*3.27*1.02inch Package List 1 * Host 6 * External Sensors 6 * Anti-theft Nuts 1 * Wrench 1 * Double-sided Tape 1 * Charging Cable 1 * User Manual (English)