Features: Solar power charging, do not need to charge by connecting car cigarettes lighters. Colorful Digital displaying, clear to show tire information. Rear-time pressure & temperature of 6 tires. Low air pressure/high temperature alarm. Wireless connect by sensors, easy install. Specifications: Material:ABS Working pressure:0-8Bar Size:Approx.19.1cm/7.52''x13cm/5.12'' Package Includes: 1Set Tyre Pressure System note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.