Dimensions: 3 x 1.07 x 2.04. Impact resistant. Water resistant. Clip. Strobe. Weight: 2.4oz. Durable clip attaches to helmet, headstrap, or MOLLE vest. Four LED light sources: White (55 lumens), Blue (1.8 lumens), IR (25mW/sr), Red (1.5 lumens). 69m beam distance. Compound on/off mode selector. Push button switch. Pull-to-turn rotary selector knob prevents accidental mode changes and allows LED color selection. All colors have a strobe function. 185 degree tilting body. Rotates 360 degrees on helmet mount. Cord attachment hole provided in clip capable of supporting 25lb(s).of load. Spring steel MOLLE clip. Requires (1) CR123A battery (included), or (1) AA battery (not included). Nylon construction. Color: Coyote Brown. Clam packed.