This high quality 4 Piece 36 PSI Tire Pressure Monitor Valve Stem Caps comes with sensor LED Indicators. It visually alerts when the tyre pressure is low to help avoid premature tyre wear or blowouts from under-inflated tyres. Features and Benefits Monitor your tire pressure on the goAllows you to reference the pressure in your tires at any point and in any location. Fits on nearly any tireFit on any standard size existing tire valve stem. Save timeTire pressure monitoring systems make checking and altering your tire pressure as easy as checking your email. Specification Three-colour eye alert Material: chromed metal Round style: 36PSI Fit any standard size tyre valve stem #html-body [data-pb-style="60FF6AB219531"]{justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; paddin