Product

A+ TPMS LED Cap, also called as tire pressure monitor valve cap, provides the best protection for truck/bus/construction vehicle tires with the most simple, reliable and affordable solution!

How to Install Tire Pressure Valve Caps?
First, pump the air to standard tire pressure (50-140psi depends on the vehicle). Second, install LED cap to the tire valve. The A+ LED cap will memorize the current tire pressure, and start flashing in red when it drop 5~9 psi from standard pressure! Moreover, it will recalibrate itself upon being removed and reinstalled on another tire.