[Ultra Bright to Keep You Safe]- LED lights produce super bright light, Illuminate the rear and sides of the bike, enhance maximum visibility on the road for your cycling safety. [Easy to Install]- The silicone mount strap for tail light is designed with four openings that tightly fit around most size handlebars and seat posts, no tools required. [USB Rechargeable]- Save the time to replace batteries every week. It comes with a charging cable that charges from your computer, power bank or any device with a USB port. [Multiple Modes]- Bike tail light have 6 modes, you can switch different modes according to your needs and get the best lighting experience. [IP5 Waterproof]- The bike tail light is IP5 waterproof and dustproof to ensure safe use in rain. It cannot be used underwater. Colour:black Material:Silica gel Package Contents: 1 x Bike Rear Light 1 x USB cable Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.