Black Diamond Storm 450 Headlamp breathable fishing apparel Air Support™ Light Back Panel:

Air Support™ Light Back Panel: Designed with body mapping technology for efficient ventilation and lightweight comfort

and set screw

providing great flex that allows you to lean on it and execute extreme turns

camping where power is a problem or simply entertaining at home

Black Diamond Storm 450 Headlamp breathable fishing apparel Air Support™ Light Back Panel:For the technical consumer who wants the best, brightest, most waterproof, feature rich headlamp to use for fast paced, extreme environment activities. This user also has the need to run the lamp on alkaline batteries if caught away from a power source for a long expedition. FEATURES Dual Fuel: Maximum flexibility to utilize either the rechargeable Lithium Ion BD 1500 battery (purchased separately) or Alkaline cells (included) 450 Lumen max output