SOONHUA Bike Wheel Light, 14 LED Bicycle Tire Light Cycling Safety Spoke Lights 30 Different Patterns Motorcycle Rim Lights Colorful Bicycle Tire Accessories- Waterproof BRIGHT LIGHT AND 30 PATTERNS:This bicycle tire light has 14 pieces of LED,which means it can provide sufficient brightness in dim environment or at night.It flashes 30 different patterns and it changes them every 4 seconds.Note:Pattern is clear and complete when speed up to 20Kms/H. IP6 WATERPROOF:-This waterproof IP6 material allows it to hold up to a variety of weather,such as foggy days, snowy days,rainy days,etc. It also enhances safety by increasing visibility at night and during bad weather conditions. AUTOMATIC MANUAL LIGHTING:This wheel light is equipped with light sensor and movement sensor, so it only flashes in low lightning conditions or while in motion.It will not work without motion or light and save power when no riding. EASY INSTALLTION:Noe extra tool is needed. It fits the rim of the bike perfectly and can be used in bicycles, motorcycles,etc. Great Gift: It's a great Birthday &Holiday &Christmas gift for kid who likes or needs riding in the evening. It not only keeps your childrens bikes visible to drivers at night,but also adds super fun to their night riding.Of course,it is also ideal for adults riding at night .