About This Product Real-Time Monitoring and 5 Alarm Modes: Tire Pressure Monitoring System technology provides 5 alarm modes for precise tracking of leaks, low/high pressure, and sensor failure. Dual Charging and Automatic Backlight Adjustment: The TPMS offers two charging options: solar charging for sunny days and USB charging for rainy days, enabling it to operate in any weather conditions. The screen automatically brightens during the day and dims at night, ensuring clear visibility in all light conditions. IPX7 Waterproof and Durable External Sensors: This tire pressure monitoring system features four IPX7 waterproof external sensors and a corrosion-resistant solid copper core for seamless integration with the tire pressure monitor. It withstands rain, mud, dust, and extreme temperatures, ensuring reliability for RVs, trailers, or daily commutes. Tool-Free Installation and Automatic Sleep Mode: Installing the tire pressure monitoring system takes minutes; simply mount the monitor on the dashboard and screw the sensor onto the tire valve. The sensor automatically syncs while driving and enters sleep mode when parked, conserving battery life and facilitating extended use. Wide Application: Suitable for cars, SUVs, RVs, trailers, caravans, and more, with a pressure range of 0-6 bar. The tire pressure sensor automatically adapts to movement, making it ideal for switching between vehicles or sharing with family.