Fit on any standard size existing tire valve stem.
Visually alerts you when the tire pressure is low to help avoid premature tire wear or blowouts from under-inflated tires.
Green shows that tire pressure is normal.
Yellow shows that the pressure is down about 5 pounds.
Red alerts you that the pressure is down by at least 10 pounds.
Type: Tire Pressure Monitor Valve Stem
Feature: Car Accessory, Durable, Useful
Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
4 x Tire Pressure Monitor Valve Stem