New 150 lumen CREE® LED light designed to attach to existing back pack straps – great for trail running, overnight relays and all-purpose hiking after dark. Lightweight two-part Velcro sections attach to each pack strap. Once attached, the Fusion 2 has a quick release clip on the left mount for quick access in/out of pack. External rear battery pack is powered by rechargeable Lithium-Ion battery pack. Run times are 8 hours on High, 20+ hours on Medium and 50 hours on the Low beam setting. Flashing red LEDs are mounted to battery pack for added road safety. Battery holder can be mounted either horizontally or vertically to any available clips, straps or molle system strap.