Voltage:5VSpecial Features:Tire Pressure Alarm Material Type:abs Item Weight:0.4kg Item Height:1mm Item Width:1mm Item Length:1mm External Testing Certification:ce Model Name:T18 Origin:Mainland China Item Type:Alarm Systems & Security Type: Jansite Intelligent Solar TPMS Car Tire Pressure -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 ( Option ) - 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, replaceable External Sensor ( Option ) - Easy to install, convenient to replace -Dust-Proof / Water-Proof / Anti-theft -Anti High Temperate and Cold -IP67 Protection / Waterproof -Working Temperature: -20-85 -Battery Life: 2 Years, replaceable