3 LED 5000 Lumen OutPutThe bike 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 more distant areas . -Dazzling optical design, the lamp prevents oncoming pedestrians or cars from being dazzled and provides you with enough safety and inconvenience for oncoming people. USB Rechargeable Save yourself the hassle of replacing batteries every week! The front bike light and the rear 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 bike lights, our LED front light lasts up to 2.5 hours on the brightest setting and 20 hours on the lowest. Three lighting modes and versatilityHigh, low and fast flashing 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 bike headlight battery indicator can tell you if you need to charge. The multi-function headlight is equipped with a mounting bracket and a pen clip design which can be easily attached to the handlebar, remove the headlight from the bracket in 10 seconds, it is very convenient for you. Feel more comfortable and safer. Versatile, more than a bike light Durable, lightweight & waterproof. Can be used as an emergency flashlight, keep it inside your car, basement, attic and emergency kit. Use it when running, jogging, hiking, camping, walking your dog, biking, changing a tire, doing nighttime family/kids activities, during a power outage and more!