Install this pressure cap tight. Simply look at the color to know if your tire pressure is low or normal. Green is safe, yellow is warning, red is dangerous.
Material: copper plastic pp
Size: 0.4" * 1"
Checking pressure range: 2.4bar 2.2bar
Function: monitoring car tire pressure
Apply to: car, bus, truck, bike, motorbike different tires
Package: 4 x Tire Pressure Indicator Valve Stem Caps