SUPER BRIGHT & LONG RUNTIME - The bicycle front light has 3 L2 LED lamp beads with a maximum output of 3000 lumens, illuminating the road you ride at night. Also built-in high capacity rechargeable battery, When fully charged, the headlight runs for 15+ hours and the taillight runs for 50 hours CHARGING INPUT & OUTPUT - Bicycle Light and Tail Light Set can be charged with any device, charge one time can runtime up to 24hours. and it can also charge your phone and other device as Power Bank. This is a very important when you are riding outdoors. MULTIPLE USES - It’s more than a bike lights: Suitable for cycling, fishing, running, dog walking ,hiking, camping, changing a tire, night time family, kids activities or can also keep it inside your car,basement,attic,and emergency kit as an emergency flashlight. Also has the function of power bank,you can charge your phone in case of emergency 3 Modes and 360° rotatable Mount - Tailor your lighting to your needs with 3 modes for both the bicycle headlight : Full Brightness, Half Brightness, Fast Flashing – ideal for daily commutes and long road rides.With our new upgrade mount and 360° rotate to shine literally any direction you want.Also, a bonus is a Bike Tail Light valued at $15 that will keep you to be seen anywhere Satisfactory After-Sales Support: GOLDFOX provides customers with high quality bicycle light sets and excellent customer service. If there is any problem with the product, please feel free to contact us The bicycle headlight has 3 LEDs with a maximum output of 3000 lumens, and is equipped with a bright bicycle tail light, making your ride safer both front and rear.