Original Solar TPMS Car Tire Pressure Alarm Monitor System Display Intelligent Temperature Warning Fuel Save with 4 Sensors tpms ire 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 Two ways of installation the bracket is detachable and can be mounted on the center console or windshield Solar Charging Wireless,No cumbersome Omnidirectional protect tires every moment Automatically start tire pressure monitoring after starting the car 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. Built-in Sensor Working Temperature:- -40 -125 Working Frequency:433.92MHZ working humidity:Max95% Tire monitoring range value:0bar-3.5bar Deviation0.013 Battery life:5 years Transmit power:R&D environment test below-17dbExternal Working Temperature:- -20 -85 Working Frequency:433.92MHZ working humidity:Max95% Tire monitoring range value:0bar-3.5bar Deviation0.013 Battery life:2years Transmit power:R&D environment test below-17db