ZITRADES 2Pcs Patent product Colorful Bike Cycling Motorcycle Car Valve Cap Tire Tyre Spoke Wheel Rim LED Neon Light By ZITRADES Color : LED Colorful Be Cool: Eye-catching! Play the lead in the dark! Automatic : with light and vibration sensors, automatically light up ONLY when driving, and off when car is not moving Easy to install in seconds: just replace your current valve stem cap with this set of caps and ready to go Fit All Spring: good for Bicycles, Cars, motorcycles and other wheels that have valves