Product Description Acceo Smart TPMS Car Tire Preure Alarm Monitor System 4 Sensors Display Solar Intelligent Tyre Preure Temperature WarningSpecifications 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 preure & temperature of 4 tires-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 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 -Host setting range:0.5Bar-6.0Bar/0.05Mpa-0.6Mpa/7psi-87psi Build-in Sensor ( Optional ) -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 Years;Not replaceable 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 gasket2. Wrench the shell with a wrench3. Remove the battery4. Replace a new battery. Please turn on monitor before install sensor1. Pre and hold on the power button to turn on monitor2. Install External or Built-in sensors one by one Main Feature Solar+ USB Charging 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. How to choose a sensor? External Sensor Built-in Sensor Adapt to a variety of environment, high temperature and low temperature K07/K07PProduct Display K01 Product Display Packing List