Product Features Tire Pressure/Temperature Monitoring: With this LCD car tire pressure monitoring system, you can easily monitor real-time tire pressure, tire leakage and excessive temperature, greatly saving fuel, preventing tire blowout and prolonging tire life. 4 External Sensors: 4 external sensors are designed to be waterproof, dust-proof and snow-proof. It has precise accuracy for measuring pressure and temperature, monitoring the temperature and pressure of the tires for you, easy to install the sensors. LCD Color Display: Wide-angle LCD color display has a bright backlight and clear data, thus you can see the tire pressure and the temperature clearly. The tire pressure monitor can be placed on the windshield, left/right and up/down adjustable, and it will not block your vision, offering you an easier way to view on tire pressure monitor. Wide Compatibility: Suitable for RV, MPV, SUV, sedan car and minivans. The wireless installation and signal receiving make it easy to use and save space. It takes a few minutes to display pressure and temperature after installation. Flexible Charging: Two charging methods make sure the tire pressure monitoring works normally on sunny or rainy days. Also, solar energy charging is very efficient and your tire pressure monitor will always be there with you. Product Specification Material: ABS + PC Power Supply: USB Charging & Solar Power Display: Working Frequency: 433.92MHz50KHz Working Voltage: 2.6-3.6V Working Current: < 4.0mA Power-off Current: <100A Working Temperature: -20 to 70 Storage Temperature: -40 to 80 Sensor: Working Frequency: 433.92MHz15KHz Working Voltage: 2.0-3.6V Static State Current: < 1A Instant Power-on Current: <8mA Working Temperature: -30 to 105 Monitoring Range: 0-8bar Accuracy: 0.1bar Product Size: about 9.5 x 3.3 x 4.7cm/ 3.7 x 1.3 x 1.9in Package Include 1 x Mainframe 4 x Sensors 4 x Nuts 1 x Wrench 1 x Charging Cable 1 x User Manual