A tool that visually alerts you when the tire pressure is low to help avoid premature tire wear or blowouts from under-inflated tires. It fit on any standard size existing tire valve system. It has a color indicator for normal, warning, and in danger tire pressure.
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.
Material: Stainless steel
Pressure Range: 32psi, 2.2Bar
Size:2.5cm x 1cm (approx).