The illuminator acts as a flashlight during night vision use. With the Illuminator, the user can illuminate the target without the prey detecting it. It is great for indoor and outdoor use, where there is low ambient light, such as during a SWAT raid in a dark warehouse or varmint hunting out on a moonless night. Featuring a battery life of 20 hours, the Illuminator also has an adjustable beam focus to widen or narrow the stream of light. Great for handheld use and the location of the on/off switch makes it easy to operate with the thumb. Features - Color: Black. - Material: Plastic. - Size: About 12 * 4.5 * 4.5 cm/ 4.72 * 1.77 * 1.77 inch(L*W*H). - It can be used as a hand-held assist device, or the ultimate performance enhancer when mounted directly to any Equinox device. - This flashlight is intended for night vision goggles and enhances the goggles sight.