Features: brand new and high quality Function: prevent tire burst, real-time monitoring, reduce wear, save fuel, solar energy, leak alarm. Advantages: solar charging, car gauge grade materials, second dynamic update data, tire pressure and tire temperature four wheel display, no dead Angle wake up, super energy saving, super stability, super high resistance, super wide temperature sensor, long battery life. The alarm threshold can be adjusted independently. This product uses solar energy to charge,you can also use car USB or mobilephone charging cable. Ultra high definition color screen without fear of direct sunlight. Specifications: Material:PC Size:Approx.11x5.5x2.5cm/4.33x2.16x0.98in Type:Extraposition,Internally Installed Net Weight:230g Package Includes: 1x Tyre Pressure Gauge 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.