4 LED SUPER BRIGHT BIKE LIGHTS: 4 inbuilt LED-T6 5000 Lumens illuminates make sure this bike lights set efficient night vision under low night condition, improves your safety and visibility in any conditions. Can be used as a power bank to charge your phone if in emergency.USB RECHARGEABLE DESIGN: With built-in 5200 mAh rechargeable battery, the bike lights provides 12 hours constant using time in low mode. This means longer run times,longer rides,and more confidence you wont be running out of Power at the worst moment. Both bike lights front and back can charge from mobile phone charger,computer,power bank or any device with a USB port,never waste your money on the batteries again. Good choice for gifts SAFETY: Front lights and tail lights set makes you outstanding in the dark and bike lights set gives you 360 visibility and safety. Bike rear light has 5 modes of tail lights (red/blue flashing rear bike light, red slow/fast Shining and cross lights flashing).IPX5 WATERPROOF AND IMPACT RESISTANT: The bike lights sets Water resistant rated to IPX5 - Protected against small rain, Splash water,light up your road in all conditions of weather This bicycle light constructed with anodized oxidization aluminum alloy, Make it with strong impact resistance and good heat dissipation. The led bike lights can handle the shake and bump from bus rides bumpy roads fine.Dont need to worry it would stop work during your ride.MULTIFUNCTIONAL AND EASY TO INSTALL: Road bike lights have totally 7 modes (strong lights, high beam, broad spectrum, slow flash), each led bike lights mode has 2 brightness options ( high bright and low bright). No screwdrivers or any tools needed, waste no time to install, attach directly to the cycling lights reflectors. These mountain bike lights fits on almost everywhere, like motorcycles, kayak, skateboard, wheelchair, stroller, cars.colour: blackMaterial: aluminum alloySize: Front light: 15x9x4.8cmPackage Contents:1 x Bicycle front light1 x Bicycle tail light2 x USB cableOnly 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.