Motor Vehicle Sensors Attention: Due to prolonged logistics transportation, the monitor has been powered on. Please use the charging pool for at least 3 hours before use to ensure normal use. Specifications and functions -2 Charging Ways - Support USB cable charging and solar charging -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 ( Optional ) -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;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 Please turn on monitor before install sensors 1.Press and hold on the poewer button to turn on monitor; 2.Install external sensors one by one. How to replace the External Sensor battery? 1. Remove the dismantling gasket 2. Wrench the shell with a wrench 3. Remove the battery 4. Replace a new battery. Main Features 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 Sensors Built-in Sensor Adapt to a variety of environment, high temperature and low temperature K07/K07P Product Display Packing List K07: 1 x Packaging box 1 x Monitor 1 x USB Power Cable 4 x External Sensor 2 x Spare Battery(GIFT) 1 x User manual K07P: 1 x Packaging box 1 x Monitor 1 x USB Power Cable 4 x Built-in Sensor 1 x User Manual