Oumers 6pcs Bike Spoke Light, Waterproof Wheel Light Cycling Spokelit Bicycle Decorate Light with 3 LED Flash Modes Neon Lamps Keep Safe Fun for Night Riding(Blue Red Green Colorful Orange Pink) Fashion/ Safe---- The perfect way to increase your visibility, safety, and cool factor when you're riding your bike in the dark.Perfect gift for family, friends Easy to Install----No need to change the line, directly mounted this bicycle lights to your spoke of wheels, slide toward rim until it tight, and it then remains securely in place. No tools required Three Modes----Bike neon lights comes in three light modes, our cycling spoke light has an on and off switch, you can select Fast flashing, slow flashing and full brightness, cool and bright light will always accompany you whether bicycle is moving or stopping Good Stability----Remain securely locked in position, even during off-road use, the up-down placement of the spoke light is to keep balance, even numbers are better. Make the bicycle have great balance, suits for most bikes, such as kid?s bike, foldable bike, road bike, mountain bike, etc Powered by----Each light uses CR2032 lithium battery (included) Suitable for all kind of the 2mm spokes bikes. Easy to install or remove -- You can do it without any more tools, extends strong, multi fixation. The new upgraded version 12 ties Zips, to make them perfectly Secure,remains securely locked in position,even during off-road use. Material: ABS Plastic + LED. Battery: CR2032 lithium battery (bicycle light battery included). Light modes: Fast flashing, slow flashing and full brightness. Dimension: 5.12 x 1.38x 0.70 inch. Weight: 0.9 oz (each light)