ATTRACTIVE PATTERNS: *2 Pack Wheel Light* Each light includes 14pcs colorful RGB LED, support 30 different pattern, each pattern will be changed every 4 seconds. Different speed will have different effect show, pattern is clear and complete when speed up to 18 miles/h, can be easily be seen and noticed from hundreds feet away.GET WHAT MODEL YOU LIKE: The bike wheel lights controlled by motion sensor, automatic lighting with riding. After the bike spoke lights are installed, it will enter auto mode. light glows when bike moves, turns off after stop moving for about 30 seconds.WATERPROOF: Our wheel light reached IPX5 water resistant, whether it is rain or shine, summer or winter, anytime, anywhere, our light is durable enough to survive under heavy rain or snow. No worries about the lights will get wet by rains or water, our light would be perfectly protected from any angle.Easy to Use: No tools are required, our wheel light is very easy to use, you can install it in 3 minutes or less, just install the battery and screw the light to the spoke of the bike, then you will enjoy an attractive light for your bike.