SAFETY AND VISIBILITY: Super bright bike lights front and back, 300LM for front lights and tail lights to ensure bike light maximum safety and visibility elastic silicone mounting straps guarantee maximum stability. The front bike light utilizes 2 XPG2 LEDs and tail lights utilizes 16 SMD red LEDs. The bicycle lights Stay safe even on rough roads. USB RECHARGEABLE: Each Cycling Front Light & Rear Light has a built-in rechargeable battery, which only takes 2 hour to fully charge, and the maximum usage time in low-power mode is 15 hours. The bike lights set can be connected to computers and other USB port devices for fast charging, which helps to charge and avoid unnecessary battery replacement forever. 5 MODE AND 6 MODE OPTIONS: The bike lights front and back feature one-touch switch, and front bike light provide 5 different lighting modes(high-mid-low-SOS-strobe) and taillight provide 6 mode(high-mid-low-fast flash-slow flash-marquee) to select. And bicycle lights support mode memory, you can keep your favorite mode easily. Bike light provides you with a broader view to ensure that you can see the road and protect your safety. WATERPROOF & IMPACT RESISTANT & LIGHTWEIGHT: Bike lights set Make of IPX6 waterproof material and the USB charging port is also made of silica gel material, which has strong anti-seepage ability, can well protect the inside of the bike lights and can extend the life of the lamp.This bicycle lights constructed with aluminum alloy, make it with strong impact resistance. What's more, cycle lights weighs only 33g each, which is lighter and smaller than other lights, easy to carry. EASY TO INSTALL & REMOVE: Mountain bike lights made of a flexible high elastic rubber band which is very flexible and easy to stretch, rechargeable bike lights can be easily loosened and fastened without tools.You can firmly fix the bike lights front and back on the frame and rear of the car.This bike lights set is versatile enough for cycling, hiking, camping, or any outdoor activity and can be used as emergency flashlight.