Black Diamond Storm 450 Lumen Head Torch (Azul)The Black Diamond Storm 450 Lumen Head Torch is 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: Power with three AAA Alkaline cells (included) or the rechargeable BD 1500 Li ion battery and charger