SureFire KROMA Compact High-Intensity, Selectable-Output, Multi-Spectrum LED Flashlight Pocket-sized, selectable-output LED flashlight ideal for variety of uses Virtually indestructible LED light source with 2 white output levels Secondary red and blue LEDs for night vision or minimal light operations Rugged, aerospace-grade, hard-anodized aluminum body in black Measures 5.7 inches long and weighs 5.1 ounces; lifetime warranty