High brightness-wheel lamps of bike formed with 20 pieces super light LED, make bright around when driving, added the driving safety scope, three AAA batteries able to long time provide enough brightness of bike wheel lamps. Lighting mode-Bike wheel lamps have two modes, means nomally lighting and flashing. Select your favor mode according to your requirements. Safety-this is one fashion and cool bike wheel lamps, improve the visibility all around when driving in the night, make ensure safety of driving. Suitable from 12" bike to 29" bike, example the folding bike, road bike, mountain bike, etc. Simple installation-wrap the spoke with the LED lamp bunches of bike wheel lamps, tightly bind the lamp base on the flower drum through zipper without tools, only need ten minutes finish the installation. SUMREE bike's wheel lamps each include two bike wheel lamp,eight pieces zipper, six pieces AAA batteries. Need multiple mating color or multiple wheels installation, can purchase more pieces. Bike wheel lamps with colorful package box is one best birthday gift or festival gift, send to frien 18 months maintain guarantee-we are devote to make ensure that your 100% satisfy, the product with high quality, super light, durable and water proof, please contact us anytime if you have any problems, we will do best solve the problem as soon as possible.