Black Diamond Storm Headlamp 1 Quad Power LED and 1 Double Power white LED emit up to 250 lumens on max setting Power Tap Technology allows fast transitioning between full and dimmed power in order to momentarily increase illumination in distance and proximity Red and Green Single Power LEDs for night vision modes have dimming and strobe settings, and activate without cycling through white mode Sleek, modern housing uses 4 AAA batteries and three-level power meter shows remaining battery life for 3 seconds after switching on headlamp Fully dust- and waterproof with a sealed housing and latch opening (IP67)