Specifications and functions TPMS ensures proper tire pressure, which is necessary to ensure vehicle safety, handling, comfortable driving, and tire life. -Solar charging board & USB Charging,high charging efficiency and durable -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 -Fit on almost 98% cars on market Main Feature 1. Wireless transmission 2. 4 Tire Digital Display At Same Time 3. High precision 4. Solar Charging / USB Charging 5. Brand New Upgrade Clip 6. Tire Pressure Alarm Warning 7. Tire High temperature warning Solar & USB Charging Risk Warning If abnormal tire pressure and temperature are detected, the system will issue a real-time warning sound and light up the flashing icons on the screen to deal with problems in time to avoid traffic accidents. Adapt to various environments The waterproof grade of the sensor is IP67, and it can be used at high and low temperatures Flexible installation You can install it on the windshield, or you can install it in the control center The Receiver Angle can be Adjustable Applicable to 98% of the models on the market Two kinds of sensors External sensor Specification( Optional ) - Working pressure: 0 - 81 psi / 0 - 5.6 bar - Pressure accuracy: +/- 1.5 psi - Operating frequency: 433.92MHz - Working voltage: 2.0 - 3.6V - Waterproof: IP67 - Working temperature: minus 40 - plus 85 Deg.C - Storage temperature: minus 40 - plus 125 Deg.C - Battery: built-in CR1632 120mAh button cell - Battery life: 1-2 years (can replace battery) Internal sensor Specification( Optional ) - Working pressure: 0 - 81 psi / 0 - 5.6 bar - Pressure accuracy: plus or minus 1.5 psi - Transmission frequency: 433.92MHz - Working temperature: minus 20 - plus 85 Deg.C - Storage temperature: minus 40 - plus 125 Deg.C - Working voltage: 2.0 - 3.6V - Waterproof grade: IP67 - Battery: built-in CR2450 button cell - Battery life: 2 - 5 years Two sensor options, you can choose which one is more suitable for your car Digital Display 1. Tire Pressure 2. Solar Power 3. Battery Life 4. Tire Temperature TPMS Receiver Specification - Battery: built-in 400mAh Li-ion battery - Operating voltage: DC 5V - RF transmission frequency: 433.92MHz - Pressure unit: psi/bar - Temperature unit: Deg.C / Deg.F - Operating temperature: minus 20 - plus 85 Deg.C - Storage temperature: minus 40 - plus 125 Deg.C TPMS Car Auto Wireless Tire Pressure Monitoring System Solar USB Charging Power Digital Alarm TPMS Sensor External Internal