High brightness and high quality Each bicycle light is designed with 30 high brightness COB beads arranged in an array. The brightness of the front lights is 100 lumens, and the brightness of the tail lights is 80 lumens. The front and rear lights each have three adjustable modes.Long running timeOur bicycle headlights and taillights are equipped with a 100MAH capacity battery. The battery life is about two hours.IPX5 Waterproof With an IPX5 waterproof rating, this bicycle light set can work well on rainy or foggy days, allowing you to enjoy cycling. The USB port is equipped with a waterproof silicone cover, which can effectively waterproof and extend its service life.Easy to installLED bicycle lights can be installed by hand without the need for other tools, even for children. 4 simple steps - put on the belt buckle, connect it to the handlebar, and clip it into the appropriate hole, you can adjust it to be horizontal or vertical accordingly.Multi purposeBicycle lights have ultra bright light, which can be used not only for riding on technical routes or rough roads, but also as emergency flashlights for hiking, camping, or outdoor activities. It is an essential item to ensure safety in any environment that requires lighting.