E Support High Bike Bicycle Car Wheel Tire Valve Cap Spoke Neon LED Flash Lights Lamp Safety Night Light Material: Stainless steel & Plastic Installation: Fits for most valve, simply screw on your tire valve stem, direct bolt-on Suitable for car, motorcycle, bicycle, mountain bike etc. Motion activated LED valve light, LED lights will turn on when the vehicle is moving and off when the vehicle comes to a stop, and flash when you're driving at night. Durable, High impact, Rust resistant, battery exchangeable