The Black Diamond Storm 450 Headtorch is a robust fully waterproof and dustproof headtorch with Dual-fuel Technology giving you versatility on any adventure or in any weather conditions.  The new compact body is more ergonomic, and the updates include a secondary switch for easy mode selection, updated optical efficiency providing brighter light, and saving battery life. The Black Diamond Storm 450 Headtorch also has three different coloured night vision modes and peripheral white lighting for ease of seeing for close-range activities in the dark. The headlamp has our Brightness Memory feature, which allows you to turn the light on and off at a chosen brightness without reverting to the default, full power setting, plus PowerTap Technology which enables you to quickly access maximum brightness with the touch of a finger.Black Diamond Storm 450 Headtorch Features: Dual-Fuel Either Rechargeable Lithium-Ion BD 1500 Battery or Alkaline Cells (included) Emits 450 Lumens on Max Setting Powertap™ Technology Allows Instant Transitioning Between Full and Dimmed Power Brightness Memory Allows You to Turn the Light On and Off at a Chosen Brightness Compact, Low-Profile Design Uses Four AAA Batteries (Included) Settings Include Full Strength in Proximity and Distance Modes Other settings Include Dimming, Strobe, Red, Green and Blue Night-Vision, and Lock Mode Multifaceted Optical Lens Design IP67 Waterproof-Tested to 1.0 Meter Underwater for 30 Minutes Weight Approx 120g