Features: Wireless tire pressure detector has LCD real-time data display, bright and clear, easy to view. Real-time monitoring of tire pressure and temperature, and support clock function. Solar and battery dual powered, with large capacity battery, it has long endurance. When the tire pressure is abnormal, the system will give an alarm to ensure the safety of riding. Multiple tire pressure units are available to meet your different needs. With 2 waterproof external sensors, the receiving distance is long and the signal is stable. Specifications: Color: Black Material: ABS + PC Voltage: 5V Battery: Built-in 450mAh Lithium Battery Frequency: 433.92MHz 20MHz Pressure Setting Range: 0-3.5Bar Temperature Setting Range: 0-99 IP Level: IP68 Item Size: 50 * 50 * 27mm/ 2.0 * 2.0 * 1.1in Package Size: 180 * 130 * 45mm/ 7.1 * 5.1 * 1.8in Package Weight: 220g/ 7.8oz Packing List: 1 * Tire Pressure Detector 1 * Bracket 2 * Sensor 1 * Wrench 2 * Nut 1 * USB Cable 1 * Manual