QitinDasen 4 x Premium Tyre Valve Stem Caps, Car Pressure Monitor, Safety Warning Sensor Indicator 3 Colours, Dust Cover

Tire pressure monitoring caps are a simple way to check tire pressure. With a simple traffic light color system, you can quickly see if the tire pressure needs to be changed. Material: Made of chrome-plated metal and PC. 3 colour monitor: The green, yellow and red system indicates the level of tyre inflation. According to the recognition color to display the tire pressure: Green indicates that the tire pressure is normal; Yellow shows that the pressure is 10% lower than the standard; Red warns you that the pressure is 25% lower than standard. Safety: Car tire pressure monitoring valve caps visually warn you when the tire pressure is low. Helps prevent premature tire wear or under-inflated tire breakouts, increase fuel efficiency, safety and fuel control, extend tire life. Widely used: suitable for cars, motorcycles, bicycles and so on. Suitable for 32~36PSI (2.2~2.4Bar).