Car TPMS Tire Preure Alarm Monitor System 4 External Sensors Temperature Warning Fuel Save Display Attached wirele Solar Function-Solar charging, don't 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, don't need to turn on/off-Wirele connect with sensors, easy install,attached to gla-Internal sensors and external sensors options, meet all your needs- Two units (PSI / Bar) changeable, you can set the one you like.-Intelligent On and OffWhen the car is started, the vibration of the machine is automatically opened and the machineis shut down automatically when it is still, without manual operation.Two units (PSI / Bar) changeable, you can set the one you like.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, replaceableBuild-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 YearsT3 Product Display T1 Pcackage include: T2 Pcackage include: T3 Pcackage include: