Long Endurance USB Rechargeable Headlight:Never Waste Your Money on Batteries again Save Yourself the Hassle to Replace Batteries Every Week, Its a WIN-WIN The front bike light is USB Rechargeable. It charges from your computer or any device with a USB port. This headlight only takes 2 hours to fully charge and has a Runtime of 3-10 hours in the different mode, making it the Best bike light on Amazon DONT WAIT, GET YOURS TODAY Free Tail Light Included Comes with both a headlight and a tail light making your bicycle stand out with unmatched 360 visibility so you and your loved ones are safer in any low light conditions. Instantly improve your visibility & safety with our Ultra Bright LED bike light. You will be shocked and amazed at how bright it is HURRY, Click the ADD TO CART Button Now Four Light Mode Options: A simple and easy to use bicycle light. You only need to change the light mode by pressing the power button. Press the first time, the Magic Light-sensing Mode starts, and the brightness of the light will change according to the brightness of the external environment. The second press is the High Light Modethe third press is the Energy-saving Mode, and the fourth press is the SOS Flashing Mode. When you want to turn off the power, just press and hold for 2 seconds. Reliable And Easy To Install:The battery indicator of the bike's headlights can tell you if you need to charge. Bringing a fully-charged bicycle light out of the house makes you feel more at ease and safer. Whether it's the headlights or the taillights, it only takes a few seconds to complete the installation,no tools are required. 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 Enjoy enhanced visibility and comfort knowing you'll be safe and secure at any time of the day. GET YOURS TODAY