LEZYNE Helmet Lite Drive 1200+ Satin Black Bike Light (1-LED-16H-V337)

Max lumen output - 1,200 / max runtime - 100-hour; Waterproof USB-C 2A fast charging; CNC-machined aluminum construction with cooling fins; GoPro adapter-based helmet mount; Composite Matrix mount construction; Hook-and-loop strap fits nearly all helmet styles