Features:
--Automobile tire pressure monitoring valve cap helps to avoid premature tire wear or under inflation
--Improve fuel efficiency, safety and control, and prolong tire life
--The green / yellow / red system indicates the appropriate tire inflation level.
--Display the tire pressure according to the identification color.
--Green shows that the tire pressure is normal, yellow shows that the pressure is 10% lower than the standard, and red reminds you that the pressure is 25% lower than the standard.

Specification：
Color:Silver
Material: Metal+PC
Fit Type: Universal Fit
Size:‎ As pictures
Vehicle Service Type: car, motorcycle, bicycle, and so on

Easy To Install:
Very easy to install,just screw the previous caps off and screw the new caps on.

Fit For Most vehicles:
Fit for 30PSI(2.0Bar),applicable to car,motorcycle,bicycle and so on.
This item can be used to most of vehicles,such as cart,car,RUV,SUV,Truck and so on. It is a good choice for whom has no TPM Systems on cars.

Easy To Read Colors:
Easy to see which tire has the problem at a glance by walk around tires.
Green is safe,Yellow is warning,Red is danger

WARNING:
When removing it. make sure that you do not lose the black washer. They are inclined to fall out and are very difficult to find again. It is advisable to remove them before your car is serviced at a garage.

Packing list:
8 Pack Car Tire Pressure Monitor Valve Stem Caps