Specification: Origin: Mainland China Material: ABS Color: Black Style: External Sensor/Internal Sensor Optional Working Voltage: 3.7V Transmission Frequency: 433.92MHz Pressure Range: 05BAR Working Temperature: -20 To 70 Degrees Celsius Waterproof Level: IPX7 Transmitting Power: 10dBm Charging Voltage: DC5.1V Size: 96*61*32.5mm/3.74*2.38*1.27in Solar/USB Powered Tire Pressure Monitoring System with 4 Sensors Wireless TPMS IPX7 Waterproof Tire Pressure Monitor System for RV Sedan SUV Truck Features: 1.LCD Digital Display: Featuring an LCD screen, this tire pressure monitoring system provides clear tire information, making it easy for drivers to view tire pressure data effortlessly. 2.Real-Time Temperature Monitoring: Enhance driving comfort and safety by monitoring in-car temperature with this wireless TPMS. 3.Comprehensive Wheel Data: Accurately sense and transmit pressure (Psi) and temperature (F) for all four tires simultaneously, allowing drivers to have a comprehensive understanding of the vehicle's conditions with the tire pressure monitor system. 4.Solar and Type C Charging Support: Avoid needing the car light for charging with the wireless TPMS's solar and Type C charging capabilities. 5.Versatile Sensor Options: Offering both built-in and external sensors, this tire pressure monitor system caters to your specific needs, ensuring versatility and adaptability. Note: Due to different monitor settings and light conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding! Please allow a 1-2 cm difference in measurements due to manual measuring.