The wheel lamp starts to light up when it senses vibration. Three LR1130 (AG10) batteries are built in to make it light for a longer time. The integrated design of the light-emitting body shell is made of high-quality plastic material, which can not only provide waterproof performance for the product, but also prevent the product from falling.
LED has three colors: red, blue and green light. There is always a color for your night riding.