3 LED 5000 Lumen OutPut The bicycle light is very bright, the maximum output is 5000 lumens, and the three LED lights cover a wide range, allowing you to ride at night to see wider and further areas.with the anti-glare optical design, the lamp prevents the oncoming pedestrians or cars from being dazzled and gives you enough safety and inconvenience for the oncoming people.USB Rechargeable Save Yourself the Hassle to Replace Batteries Every WeekThe front bike light and tail light are USB Rechargeable. It charges from your computer or any device with a USB port. With a 2000mAh battery, 2X more powerful than other cycling lights, our front LED bike headlight lasts up to 2.5 hours on the brightest setting and 20 hours on the lowest.Three Lighting Modes and VersatilityHigh, low, fast blinking three modes, free to switch according to your needs.The headlight also has a flashlight function that can be used in various scenes, such as cycling, camping, night fishing, walking.Reliable And Easy To Install The battery indicator of the bike's headlights can tell you if you need to charge. The multifuction Headlight is equipped with a mounting bracket and pen-clip design that can be easily fixed to the handlebar, 10 sec remove the headlight from bracket , it's very convenient for you.Bringing a fully-charged bicycle light out of the house makes you feel more at ease and safer.Versatile, More Than A Bike Light Durable, light weight & water resistant. Can be used as an emergency flashlight, keep it inside your car, basement, attic, and emergency kit. Use it when youre running, jogging, hiking, camping, walking your dog, cycling, changing a tire, night time family/kids activities, power outage and more