Bicycle Lights Long Standby - bike headlight have 3 LEDs, maximum output 1200 lumens, LED bike headlights built-in 6400mAh battery, illuminate your night ride. The running time of the bike front light lamp is 5-10 hours, which can meet your long-term riding lighting demand, and bicycle lights front and rear can usb rechargeable. Front Bike Light with 5 Light Modes - There are 5 different lighting patterns, 1200 lumens output, foggy or rain, with fog lights. Bike lights front and back very suitable for night riding or where visibility and safety are concerned. Bike Lights Rechargeable Charging Input and Output - the bike headlight also has a USB output function, which can be your mobile power, this bicycle light can be hike, travel, camping, let you enjoy the trip! Bike Lights Front and Back Easy to Install: made of high-quality aluminum alloy shell, which is very strong, with good impact resistance and heat dissipation. Bicycle lights front and rear are very easy to install, no tools are required, with detailed description. Bicycle headlight 360-degree rotating bracket helps you choose the angle that suits you, so you can see more clear distance.