Solar power and USB charging, no need to charge via car lighter Colorful, clear LCD digital screen to display tire information Real-time monitoring of pressure and temperature for 4 tires Low air pressure and high temperature alarm High temperature, leak, and low battery alerts Smart activation when vehicle is in motion, automatic on/off Wireless connection with sensors for easy installation More stable and accurate performance Resistant to high temperature and cold environments IP67 rated for waterproof and dustproof protection How to replace the external sensor battery: 1. Remove the dismantling gasket 2. Unscrew with a wrench 3. Remove the old battery 4. Install a new battery Features: 1. Tire abnormality alert 2. Leak prediction 3. Tire pressure warning 4. Beep alert 5. Solar charging 6. Waterproof and dustproof 7. Simultaneous display of all four tires 8. Helps reduce tire wear Note: Product design may vary slightly between batches; minor color or appearance differences may occur, does not affect functionality Professional installation recommended Working temperature: -40C to 125C Type: Built-in sensor Color: Black Material: Plastic Package contents: 1 x Tire Pressure Monitoring System 4 x Sensors 1 x USB Cable Note: Light reflection and screen differences may cause slight color variation between image and actual item Measurement error allowed: +/- 1-3 cm