Description: Brand new and high quality. Rotate to the right, the light turns on Rotate to the left, the light is off Waterproof Shockproof Battery :CR927 Size: 2.4cm x 1.25cm. Specifications: [Cool, fashionable]-Do you want to be cool when riding with friends at night? Choosing our bicycle wheel lights is an excellent choice to realize your dreams. We provide three different lighting colors, you can mix or match as you like. After opening it, the driving speed reaches 18 mph, and a complete and beautiful pattern will appear. [Visible, safe] – Our super bright bicycle spoke lights allow you to get more visibility from all directions, so you and your lover are safer when riding in low light conditions. With our bike lights, your bike will stand from all angles, and car drivers will not miss it, whether you are moving or not. [Small but sturdy]-Please note the cheap bicycle tire lights of other sellers, MapleSeeker only provides quality products to our customers. It weighs 3.2 grams and is very light, but it is made of high-quality environmentally friendly plastic materials and uses IP67 waterproof design, which can withstand 10 meters of high drop resistance, so you don't have to worry even in rainy nights. [Battery replacement? Do not! ]-Using solid-state lighting and a battery design, our bicycle wheel lights run for more than 80 hours. It can be easily opened/closed by rotating the upper part to the left/right without having to remove the spokes from the spokes after riding. [100% Satisfied Service]-These super cool LED bicycle rim lights are suitable for most adult and children’s bicycles without tools, but not for bicycles with wide spokes or spokes. The slot at the bottom will hold the bicycle spoke very firmly and will not touch other bicycle parts. It is also a great gift for friends and family. Buy now and get ready to enjoy a stylish ride! Package Included: 1*Bicycle spoke light