About TPMS Introduction of the key: Right Select Key: Select key of menu M Menu Key: Long pre into menu setting Left Select Key: Long pre to turn on/off, Select key of menu Features: Type: Intelligent Solar TPMS Car Tire Preure 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 Two units (PSI / Bar) changeable, you can set the one you like. External Sensor: 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 Package Included: 1 set Car Tyre Preure Monitoring System About Handheld Tester: Features: 100% Brand new and high quality LCD screen display with backlit for easy reading Small portable design, easy to hold and operate Preure units available: PSI, BAR, KPA, KGF/CM2 Accurate and quick measuring, reliable to use Manual power on/off and auto power off for power saving LED light at gauge nozzle, convenient to use even at night ThisMini Tire Preure Gauge with easy-to-read LCD screen, is used tomonitor your tyre preure, thereby extending tire life, increasing fuelefficiency and ensuring your safety.It is suitable for measuring tireair preure of cars, motorcycles,etc. Specifications: Test range: 0-150PSI Accuracy: 1PSI Resolution: 0.5PSI Units: PSI, BAR, KPA, KGF/CM2 Power supply: 1*3V CR2032 button battery (Included) Product size: As the picture Material: ABS Package included: 1* Tyre preure guage