PINMOAPO 4/8PCS Tire Pressure Indicator Valve Caps Car Tire Pressure Monitor Caps Visual Alert Air Stem Covers For Auto Motorcyc

Functional features:1) Visual reminder when tire pressure is too low2) Car tire pressure monitoring valves help prevent premature tire wear or blowouts caused by insufficient tire pressure, improve fuel efficiency, safety, and handling, and extend tire life.3) Three eye-catching colors for easy viewing:Green indicates normal tire pressure.Yellow indicates that the pressure is about 5 pounds lower than the standard value, with a decrease of 10%. You should inflate the tires in a timely manner. Red warning: Your pressure is at least 10 pounds lower than the standard value, with a reduction of 25%. At this point, you should immediately stop driving.Adaptability:Suitable for cars, motorcycles, bicycles, etc.Warning:When disassembling, make sure not to lose the black filter screen. They are easy to fall off and difficult to find again. It is recommended to disassemble your vehicle before receiving maintenance services at the car factory.