Cindick LED Bike Wheel Lights, Bicycle Valve Cap Wheel LED Stem Lights Set for Front & Rear Wheel Waterproof Bright Safety Visibility LED Bicycle Wheel Lights (4 Pack) High-Quality: The bike valve wheel lights are made from high-quality aircraft grand aluminum alloy, which is scratch resistant and waterproof. Single Induction Vibration Function: This led wheel lights are activated by motion, lights turn on when moving; off when stopped. The led valve bike light is a single induction vibration type, lights are extra bright when the wheel is turning. Safe Led Bike Wheel Lights: With the brightest bicycle valve light, you will be a safety drivers in the dark riding, it helps to improve safety with increased visibility from cars, and the bicycle light makes your bike more shine and durable, keep the distance from the car and the accident. the Coolest Bright Bicycle Wheel Valve Lights:Whether it is day or night, you can be seen in the distance, especially in the evening, you can definitely attract attention and increase the fun. Easy to Install: This valve light can be easily installed and removed as the pictures show, just mount on your bike, motorcycle and car in seconds and remove also in seconds.