Feature:1. Real-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.2. Dual 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.3. Intelligent 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.4. Comprehensive 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.5. Easy 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.Specification:Item Name: Tire Pressure Monitoring SystemMain Material: ABSHost Battery: Built-in 3.7V 300mAh Lithium BatteryExternal Sensor Battery: Built-in CR1632 button cellScreen Pressure Unit: PSI/BARScreen Temperature Unit: /Operating Temperature: -20 to 70Waterproof Rating: IPX7Pressure Range: 0-9.9BAR/ 0-144PSITransmission Frequency: 433.92 MHzTransmission Power: >10 dBmCharging Voltage: DC 5.1VProduct Color: BlackProduct Size: 9.4*6.7*2.85cm/3.7*2.64*1.12inchPackage List:1 * Host6 * External Sensors6 * Anti-theft Nuts1 * Wrench1 * Double-sided Tape1 * Charging Cable1 * User Manual