Ebest Bicycle wheel spoke light, SELLER Hot wheel lamp 20LED Multi Color Bike Wheel Lights (2-Pack),Waterproof Bicycle Tire Light Strip,Bike Rim Lights,Safety Spoke Lights, Bicycle Tire Accessories. 1)2-pack bundle for two wheels,each 2-pack include 1 same color, total 6color are available. 2)The light strip is 7 feet long with 20 diamond bright LEDs, IP65 waterproof , suitable for all kinds of weathers. Powered by 3xAA batteries(sales not included), light on over for 48+ hours, 2 control modes:flashing and steady on. No speed requirements, whether bicycle is moving or stopping, as long as you turn on the switch, cool and bright light will always accompany you. 3)Easy to install in minutes. No tools needed. Open the package of bike wheel lights, take out all parts, mount the battery cabin on the bicycle axle, wind the light strip on bicycle steel wire,installing batteries(sales not included), finally, turning on switch. 4)Lightweight and flexible. Each weight:125grams(=4.4oz), battery cabin size:8X3.7X6.2CM(3.2"x1.5"X2.4"). This wheel lights works with almost all standard bike wheel 20" and over, such as foldable bike, road bike, mountain bike and so on. 5)Be cool! Be safety! Make your wheels glow with a circle of spinning light!