Auto Tire Brass Safe Pressure Alarm Monitor Valve Stem Caps Cover Caps Tyre Air gauge Warning Device
Product description: Material: Brass + PC Round Style: 36PSI Suit for any standard size existing tire valve stem. Visually alerts when the tire pressure is low to help avoid premature tire wear or blowouts from under-inflated tires.
Indication: Green shows that tire pressure is normal, 2.4Bar. Red alerts you that the pressure is down, below 2.0Bar.
Installation: Determine the correct tire pressure for your tires. Inflate tire to correct pressure. Install this new pressure cap tight. Simply look at the color to know if your tire is low or normal