With 6 modes of function, this multi-purpose illuminator/designator/flashlight/laser has all the tricks in the book. It is capable of Infra-Red illumination and designation for night vision observation, as well as visible white hot flashlight function and red aiming laser. The construction is solid with the main body being strong, high impact polymer. Caps and covers are made of aluminum with some rubber elements for ergonomics as well. A micro style red-dot can be mounted on top of the device giving you an fully integrated weapon accessory system that does everything. - remote pressure switch is included - 123A battery required and not included.