BE COOL! 3 light modesQuick Flash > Slow flash > color morphing . Attract attention and compliments everywhere you go. This bicycle wheel light is waterproof, so you don't have to worry about riding in rainy daysGet Ready to Ride in Style!READY TO ROLL !These battery-powered LED Bike Spoke Lights use 2032 batteries (be included) to last for up to 100 hours of glow, which means you can enjoy ride after ride without worrying about battery life.BE SAFE! Front and back lights leave you vulnerable from the sides. Gain visibility from all directions with our bicyle wheel lights. Your bike will STAND OUT--GUARANTEED! Want even more ATTENTION? Switch from constant on to flashing mode. Get yours now!FAST, EASY INSTALLATION. Our installation video will have you set up quickly with no tools required. This bicycle light is suitable for all kinds of bicyclesbicycles with spokes from16 inch to 29 inch.PERFECT GIFTS! Our super cool bike lights come in a Exquisite gift box with long-lasting batteries included. Extremely popular Christmas gifts and stocking stuffers. Fun birthday presents all year long for men, women, girls and boys of all ages.