Smart Tire Pressure Caps
Product Description :
Smart Tire Pressure Caps Ride-On LED Smart Caps are the easiest TPMS (Tire Pressure Monitoring System) to install on your tire valve stems.
The LED Smart Caps automatically calibrate to the pressure in the tire and sets itself when the cap are installed.
Automatically compensates for ambient temperature changes to avoid false alarms.
Green shows that tire pressure is normal, yellow shows that the pressure is down about 5 pounds and red alerts you that the pressure is down by at least 10 pounds.
Simply look at the color to know if your tire is low or normal.