Solar TPMS Car Tire Preure Alarm Monitor System Display Attached to gla tpms Temperature Warning with 4 sensorsFeature:-Solar charging, dont need to connect car cigarette lighter to charge-Color LCD digital display for clear display of tire information-Monitor the preure and temperature of 4 tires in real time-Low air preure/high temperature alarm-High Temperature / Leakage / Low Battery Alarm-Intelligent Shock Boot when car moving, dont need to turn on/off-Wirele connect with sensors, easy install-Internal sensors and external sensors options, meet all your needs-Two units (PSI / Bar) changeable, you can set the one you like.Build-in Sensor ( Option )- Please install in by Profeional car center-More stable and accurate-Anti High Temperate and Cold-IP67 Protection / Waterproof-Working Temperature: -40-125-Battery Life: 5 YearsExternal 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