TPMS Tire Pressure Monitor-Risk early-warningAccurate early warning, safer driving, more reassuring TPMS Tire Pressure Sensor-Suitable for many kinds of cars suitable Cars, ORV, SUVs, MPV, Minibus, Wagon, etc. Features: -Solar power charging, don't need to charge by connecting car cigarette lighter -Colorful LCD Digital displaying, clear to show tire information -Rear-time monitoring pressure and temperature of 4 tires -Low air pressure or high-temperature alarm -High Temperature or Leakage or Low Battery Alarm -Intelligent Shock Boot when car moving, don't need to turn on or off -Wireless connect by sensors, easy to install -Build-in sensors and external sensors options, meets all your need -Freescale chip sensors and fit on almost 98 percent of cars on the market Specification: Type: Intelligent Solar TPMS Car Tire Pressure External Testing Certification: CCC Item Height: 25mm Item Length: 92mm Material Type: Heat-resistant Plastic Voltage: 5V Item Type: Alarm Systems and Security Item Weight : 0.2kg Special Features: Solar energy charging Item Width: 85mm Certification : RoHS Certification: CE Model Name: TPMS No.1 Another Charging Way: USB Charging Max tire pressure: 3.5 Bar Pressure Range: 0.5 - 3.5 Bar Type: Tire Gauge Package: 1xTire Pressure Monitor How to use this product correctly 1. Long press the Left button to wake up the Machine. 2. Wake up the machine at first, then install sensors on wheel. (In this way, the machine can read data from sensors immediately) If you install the sensors at first and wake up the machine, you need to run your car for a while no more than 30 minutes.