Compact, lightweight, and built for helmet mounting, the Helmet Hecto Drive 500XL delivers up to 500 lumens of output in a durable CNC-machined aluminum body with integrated cooling fins for optimal heat management. Featuring a GoPro-compatible mounting interface and versatile Velcro strap mount with a Composite Matrix base, this low-profile light follows your line of sight for enhanced visibility on the trail or road. With eight output modes, including a highly visible Daytime Flash mode, integrated USB stick charging, and up to 20 hours of runtime, it's an excellent choice for commuting and casual night riding.