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.

Welcome to send us your inquiry anytime if you are interested in our tire pressure monitor valve caps!