8 Pcs Car Tire Pressure Monitor Valve Cap w/ Sensor Indicator

  Description: Let this valve cap alert you when the tire pressure is low to help avoid premature tire wear or blowouts from under-inflated tires! Main Features:   Simply install on the air valve Visually alerts, which helps you to prolong the service life of tires 3 colors indicator- Green color: the tire pressure is normal; Yellow color: the tire pressure is down about 5 pounds; Red color: the tire pressure is down by at least 10 pounds   Specification: Product Size 0.39 x 0.39 x 0.9 inches / 1 x 1 x 2.2cm Product Weight Each 0.28 oz / 8g Package Component 8 x Tire pressure indicator valve caps