Operating Temperature: -40~80);Lighting Board: C Rate: 17%. RealTime Detection : Easy to see big screen while driving, with a buzzer to the driver. With transmission technology, alarm immediately when the detects abnormal tire temperature or pressure. display. 4 External Sensors : equipped with 4 advanced external sensors, which are high quality against dust, moisture and snow/rain with IP67 waterproof rate, so it is suitable for different weather. The pressure range is 0- /0-87 Psi, which is than other sensors. It could help monitor the real-time tire situations, so you could prevent the accident in advance. 2 Way Charging: cable charging & solar charging. It can be fastcharged without occupying the car lighter and manual charging, to ensure the tire pressure system could work continuously. Suitable for most types of Vehicle: Sedans, SUV, pick , Motorcycle ect. Not suitable for Trucks,buses, contruction vehicles, ect. Tire Pressure System(), let the driver get the realtime tire pressure data, temperature data and , always keeping on your car's performance. Solar powered design, no battery or electricity needed. Support shows ' tire pressure and temperature simultaneously, high/low tire pressure alarm, high temperature alarm leakage condition alarm. The realtime tire pressure data,visual and audible warning for abnormal pressure and temperature,very convenient and practical. display, easy to install. Specification: Material: Color: Black Size: 95x82mm/3.74x3.23 inch Package Includes: 1 Piece Receiver 4 Pieces External Sensors 1 Piece Small Wrench 4 Pieces Copper Nuts