·7 COLOR & 15 MODES: Long press this bike wheel lights kids for 2-3 seconds to turn on automatically enterring 7-color changing mode, and short press to switch the colors/steady/flashing modes. All of these light shows make it very easy for you to be seen by other drivers on the roads. Press button to select green, red, blue, pink, cyan, yellow, white or 3 modes to match your own unique style.

·HIGH BRIGHTNESS LED: ROCKBROS led bike wheel light kids consists of 12pcs bright RGB beads, which makes you visible to drivers and stand out from all angles for night riding. The lights controlled by motion sensor & manual can be automatically turned on when they detect motion and off automatically when there is no motion for 30 seconds.

·EASY TO INSTALL: Super simple to install，just select appropriate sized hub pad (6 pieces included) to stick on the inner ring of the light and no tools required. Make sure you check and measure your hub diameter as our bike tire lights fits diameter within 30mm/1.18in. (Fit for hub diameter≤30mm/1.18in ).

·USB RECHARGEABLE: Powered by built-in 300mAH Li-Battery, USB charging, no battery needed any more, the bike spoke light could work continuously for 18 hours in flashing mode,9 hours in steady mode and auto 7-color changing mode in 7hours, saving you to replace batteries all the time.

·WATERPROOF:Made of high quality PC material, no longer worried about the bicycle wheel lights will be damaged when riding in bad weather condition but please don’t soak these cool bike tire lights in water.