The headlamp has Black Diamonds Brightness Memory feature, which allows you to turn the light on and off at a chosen brightness without reverting back to the default, full power setting. The Storm 400's PowerTap Technology enables you to quickly and easily access maximum brightness with the touch of a finger. The Storm 400 also has three different colored night vision modes and peripheral white lighting for close-range activities. The Black Diamond Storm headlamp is also waterproof to 1 meter for 30 minutes. It takes 4 triple A batteries to power it so you can add another 48g or so to that bringing it to a 110g in total. The headlamp has BD's Brightness Memory feature, which allows you to turn the light on and off at a chosen brightness without reverting back to the default, full power setting. The Storm headlamp weighs 62g without batteries.
The Storm 400's PowerTap Technology enables you to quickly and easily access maximum brightness with the touch of a finger. The Storm 400 also has three different colored night vision modes and peripheral white lighting for close-range activities like carefully re-racking for the final summit pitch in the dark. The headlamp has Black Diamond’s Brightness Memory feature, which allows you to turn the light on and off at a chosen brightness without reverting back to the default, full power setting. In addition, the updated optical efficiency not only provides brighter light, but also saves battery life that you can now easily track with a six-setting, three-LED battery meter. When the headlamp is off, hold the button down for three seconds and the light will turn on in red mode. With an updated compact body, the Storm 400 is more ergonomic, and the updated user interface includes a secondary switch for easy mode selection. The Storm 400 is engineered for epics in all conditions, featuring a robust waterproof/dustproof housing and 400 lumens of bright light. Redesigned with a whopping 350 lumens and improved peripheral lighting, the full-featured Black Diamond Storm headlamp provides hours of illumination around the campsite or on your next night hike. Waterproof, 400-lumen headlamp with all the bells and whistles This product has been discontinued, but we're leaving the video up for your enjoyment.