Features: Solar and USB Charging,The magnetic charging design is adopted, which can be adsorbed in one second and can be charged quickly,Two charging methods ensure higher charging efficiency. Wireless transmissionstable and timely signal.Waterproof dustproof design , suitable for various environments. The car tire monitor have LCD wide-angle digital screen with bright backlight and clear data, whether it is day or night, you can easily read data. Built-in 400mAh battery,Time settable. High pressure alarm, lower pressure alarm, high temperature alarm, fast tire leak alarm. Adjustable pressure alarm value, suitable for two wheels of different models. Specifications: LCD Color:Orange,Green for optional Sensor pressure accuracy: ±0.1Bar (1.5Psi) Sensor battery model: CR1632, replaceable sensor Package Size:16*14*5cm Package weight:280G Package List: 1xtire pressure monitor main unit 1xbracket 1xUSB charging cable 1xnut wrench 2xHex nuts 2xsensor nut 1xbox