Description: 【Compact Size】: The Tire Pressure Monitor System measures 9.5cmx8.1cmx2.6cm, making it a compact and convenient device to install in your vehicle. 【Durable Material】: Made from durable material that ensures the longevity of the Tire Pressure Monitor and withstands harsh weather conditions. 【Solar and USB Charging】: The system is equipped with both solar and USB charging options, providing you with the convenience. 【Real Time Monitor and Alarm System】: The provides real time monitor of tire pressure and temperature, alerting you immediately in case of high or low pressure or leakage issues. 【Easy Installation】: Comes with necessary tools for installation including a wrench, nuts and double sided adhesive tape. Specification: Working Voltage: 3.7V Charging Voltage: 5.1V Working Temperature: 70°C Pressure Range: 0-6Bar Waterproof: IPX7 Size Chart: 9.5cmx8.1cmx2.6cm/3.74inchx3.19inchx1.02inch Package Includes: 1 Car Tire Pressure Monitor 1 USB Cable 4 Sensors 1 Wrench 4 Nuts 1 Manual 1 Double Sided Tape Note: Please allow slightly errors due to manual measurement and different screen.