With the Black Diamond Cosmo 350 Headlamp, you'll be able to walk and find your way after sundown while camping, fishing, or hunting. Boasting a super-compact, lightweight, and waterproof body, this headlamp offers an impressive 350-lumen beam, easily illuminating the dark woodland trails or the waters at the end of your dock. Balanced and efficient, this headlamp is user-adjustable, featuring red night vision, dimming, lock, and strobe modes with a multifaceted optical lens. This headlamp runs on 3 AAA batteries (included) and boasts a long-lasting battery life you can depend on, while an IPX8 waterproof rating offers superior weather resistance and is even submersible up to 1.1m underwater for up to 30 minutes. Compatible with the BD1500 mAh Li-Ion battery (not included). No matter the task at hand, tackle it with confidence with this fantastic Black Diamond headlamp. Powerful 350-lumen beam Night vision-compatible, dimming, lock, and strobe modes Proximity and distance Multifaceted optical lens IPX8 waterproof body Compatible with the BD1500 mAh Li-Ion battery (not included)