4pcs Universal Useful Air Alert Monitor Car Stem Caps Tire Gauge Sensor Indicator Air Pressure Valve

Label:Yes Inflate tire to correct pressure. Determine the correct tire pressure for your tires. Simply look at the color to know if your tire is low or normal. 100% Brand New and High Quality Install This new pressure cap tight.

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.

Packing content:

4pcs x Tire Pressure Indicator