The sr remote dual switch provides remote activation for any surefire weapon light with a switch socket.Two switches, a momentary-on pressure pad switch and a constant-on pushbutton switch, are integrated with a snap-on clamp for easy attachment to your firearm's picatinny rail forend.It is compatible with millennium universal, classic universal, scout light with socketed tailcap, and x200, x300, and x400 with xt tailcap.Type: Remote SwitchProofs: WeatherproofColor: BlackCompatible With: Scout Weapon Light