Introducing the SUPERFIRE USB Rechargeable Bike Headlight BL11, a compact powerhouse designed for cyclists. With a theoretical brightness of 600 lumens and practical brightness of 400 lumens, it ensures visibility on the road. Constructed from lightweight aluminum, it weighs 115g and measures 108*32*27mm, offering portability and durability. Powered by a 2000mAh 18650 battery, it provides a 3-hour runtime with a 3-hour charging time. Featuring IP44 waterproofing and a 120m beam distance, it suits various conditions. Offering four modes and anti-glare design, it enhances safety. The snap-in bracket allows easy installation, making it perfect for cyclists of all levels.