Bright light for your safety: the rechargeable bicycle taillight offer bright light to provide good visibility for cyclist in the or foggy morning, effectively remind others of your appearance to protect your safetyWaterproof feature: bicycle LED safety light has a waterproof feature, which allows people to use the light in rainy days or snowy days; The light provides the same illumination in both unsatisfactory weather and common conditionUSB rechargeable: connected to USB cable, ultra bright bike can be charged by computer, power bank or other electronic equipment with USB interface, 3 hours are enough to fully charge the light, then the bike tail light is durable for a long time usePeople can mount waterproof cycling taillight on their bike frames, belts, reflective vests, backpacks, dog collars, or other suitable places, suitable for bicycle, skateboard, scooter, wheelchair, etc.