The Sightmark H840 Triple Duty Tactical Flashlight Kit provides the powerful illumination you need for after-dark hunting, law enforcement and tactical acvitity – along with the ability to customize the color of the light to suit your needs. This 840-lumen aluminum light comes with a mount for Picatinny and Weaver rails and red, green and blue filters to help you be at your most effective in low-light situations. You can operate the light on a momentary and constant-on basis via the push-button tailcap switch, or for momentary use with the included remote pressure switch. Wet weather won't be a problem – the H840 is IP67-rated, capable of being submerged 3.3' deep with no effect on its performance.