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

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

Packing content:

4pcs x Tire Pressure Indicator