4PCS Car Tire Pressure Caps, Tire Valve Cap with Pressure Indicator Tyre Pressure Monitor Valve Caps Air Alert Auto Accessories

【Clear Color Indicators】 Know your tire preure level in a glance. Green means normal. Yellow means it's low or 10% lower than the standard. Red means it's too low or 25% lower than the standard.【Avoid Premature Wear Tire Or Blowouts】 It helps you monitor your tires easily to maintain the right preure and keep you safe. This also leads to better efficiency, extended tire life, and better car handling.【Protect Your Tires】 These high-quality caps securely protect the valve from leakage. They also prevent water, dust, or sand from entering the tire.【Easy To Install】 Just like typical tire caps, these are simple to install with a rotational screw thread. With a Universal Fit of 32PSI (2.2Bar), it works with cars, trucks, motorcycles, bicycles, and more.【rior Quality】 WIth a copper core and stainle steel materials, these valve caps are extremely ble一both wear and rust resistant.