GPCT iMounTEK Neon LED Wheel Light (Automatic Lighting, Easy Installation, Neon Lights, Night Safety, Works with Bikes/Cars/Motorcycles) NEON LED WHEEL LIGHTS - These colorful LEDs attach to your vehicle's tire valves and light up automatically when they sense vibration from the road WORKS WITH MANY TIRES - Suitable for a wide variety of vehicles including bicycles, motorbikes, cars, trucks and more! SIMPLE INSTALLATION - Comes with tire valve connectors for easy installation. Compatible with British and American tire valves. NOTE: Please remove tape from wheel light before use to ensure they work properly. MULTIPLE COLORS - Multiple colors to suit your unique style, every vibration will stimulate the colorful light as you move forward! INDUSTRY LEADING CUSTOMER SUPPORT - You can continue to rely on Electro-Deal to offer the markets most competitive prices, paired with industry leading customer support, and all backed by a one year, full manufacturers warranty on new products or a 90 day limited warranty for refurbished products! Material: PVC+aluminum Battery: 3 pcs AG10 coin battery Voltage: 12V Length: 6.5/2.56 Max Diameter: 2cm/0.79 Colors Available: red, blue, green, multicolored 2Bike Wheel Light 2Connector