Automotive TPMS Four-Tire Pressure Monitor 1. Operating voltage: 3.7V 2. Operating temperature: -20°C to 70°C 3. Waterproof rating: IPX7 4. Pressure range: 0-5 Bar 5. Transmitting frequency: 433.92 MHz 6. Transmitting power: 10dBm 7. Charging voltage: DC 5.1V 8. Suitable for vehicles with tire pressures within the 5 Bar range 9. IPX7 waterproof, withstands 30 minutes of submersion without any issues. It can operate smoothly even in rain, splashing water, navigating puddles, and flooded parking spaces. 10. The main body is made of environmentally friendly, precision-engineered aviation aluminum, offering high strength and durability, fast heat dissipation, and a secure, stable design. Built into the tire, it provides sharper sensing and more accurate detection. The aluminum alloy valve stem features a strong, durable, and age-resistant seal for enhanced performance. 12. Intelligent power onoff, no manual operation required, saving energy and worry. 13. The pressure (bar) and temperature (degrees Celsius) of all four tires are simultaneously sensed and transmitted, clearly displayed on the display, allowing you to monitor all four wheels at all times. 14. The tall, reusable solar panel allows for easy placement without the need for additional charging during normal driving. It also features an Android USB charging port, ensuring seamless power after initial installation and charging even in the absence of sunlight. 15. Dimensions: 93.8 x 88.5 x 28.5 mm 16. External sensor package includes: 1 host + 4 sensors + 1 charging cable + 4 anti-theft nuts + 1 wrench + instruction manual + 1 double-sided tape + gift box 17. Internal sensor package includes: 1 host + 4 sensors + 1 charging cable + 4 alloy valve stems + 4 screws + instruction manual + 1 double-sided tape + gift box Note: 1. The sensor and receiver are factory-paired. Re-pairing is required only when changing sensors or receivers. 2. When the display detects a vibration signal while in sleep mo