ALL-IN-ONE SPORKLIT SET: this wheel spoke lightset contains 4pcs colour light ( green, red, blue, multicolour), 4pcs fixing ties zips, and 1pc new CR2032 battery, perfect for your safety and bike decoration at night EASY TO INSTALL: this bike wheel light is designed with 2 slots, just press one slot onto the wheel and then pull the bicycle spokelit to the top rightly.Try to rotate the wheel and make sure it is firmly, and for 100 percent no falling off, you can tie it with the coming straps WATER RESISTANT: there led spoke lights are designed with sphere cover for water resitance, you need not worry about riding in the rainy day THREE LIGHT MODELS: the bike tire lights can be switched to 3 models by pressing the rubber dome shape- strobe, blinking and solid. you can select the suitable model to fit for your favorate speed SAFETY GURANTEE: the bike warning lights are perfect for night safty riding, with amazing colorful LED lights and 3 models blinking, it is so great for both cool and safety, suitable for all kind of the 2mm spokes bikes Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.