Yanace TPMS Car Tire Pressure Alarm Monitor System Display Intelligent Temperature Warning with 4 sensors Solar Power Charging Specifications and functions -Solar power charging, dont need to charge by connecting car cigarette lighter -Colorful LCD Digital displaying, clear to show tire information -Rear-time monitoring pressure & temperature of 4 tires -Low air pressure/high temperature alarm -High Temperature / Leakage / Low Battery Alarm -Intelligent Shock Boot when car moving, dont need to turn on/off -Wireless connect by sensors, easy install -Build-in sensors and external sensors options, meets all your need -Freescale chip sensors and fit on almost 98% cars on market Build-in Sensor ( Optional ) -Please install in by Professional car center -More stable and accurate -Anti High Temperate and Cold -IP67 Protection / Waterproof -Working Temperature: -40-125 -Battery Life: 5 Years External Sensor ( Optional ) -Easy to install, convenient to replace -Dust-Proof / Water-Proof / Anti-theft -Anti High Temperate and Cold -IP67 Protection / Waterproof -Working Temperature: -20-80 -Battery Life: 2 Years, replaceable How to replace the External Sensor battery? 1. Remove the dismantling gasket 2. Wrench the shell with a wrench 3. Remove the battery 4. Replace a new battery. Main Features Intelligent Solar TPMS Car Tire Pressure Solar Charging + USB Charging Accurate early warning, safer driving, more reassuring. Intelligent On and Off When the car is started, the vibration of the machine is automatically opened and the machine is shut down automatically when it is still, without manual operation. External Sensors Built-in Sensor Suitable for many kinds of cars Suitable for Cars, ORV, SUV, MPV, Minibus, Wagon, etc. Product Display