EFORCAR Car Tire Air Pressure Monitor Valve Stem Caps, Auto Wheel Sensor Indicators Alert Metal for Cars, Bikes and Motors - 4pcs/Set 2.2 BAR 32 PSI

Description:
Simply install on the air valve
According the recognize color to display the pressure of the tire
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
It makes the tire of your car more safe
Easy to control and install Indication:
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
Installation:
Determine the correct tire pressure for your tires
Inflate tire to correct pressure
Simply look at the color to know if your tire is low or normal
Note:
Due to the difference between different monitors, the picture may not reflect the actual color of the item.

Specifications:
Material:Chromed Metal
Size:(Approx.) 2.3 x 1cm/ 0.91" x 0.39"
Color:Green+Yellow+Red

Package included:
4*Tire Pressure Monitor Valve Stem Caps