The SureFire ST07 Remote Tape Switch is designed to work with any SureFire light with a switch socket. This tape switch allows you to remotely activate your light from a more ergonomic position instead of having to break your grip to activate the weapon light. It features a 7" cable and comes with adhesive backed Velcro, so you can attach it at any position on your handguard. The plug is O-ring sealed making it weatherproof and the rubberized button allows for momentary on functionality. Improve the ergonomics of your weapon light setup with the SureFire ST07 Tape Switch.Compatible with: Millennium Universal, Classic Universal, Scout light with socketed tailcap, X300, and X400 with XT tailcapFeatures: 7" wire length O-ring sealed plug Includes adhesive backed Velcro Momentary on functionSureFire designs and manufactures a wide variety of firearms accessories, from weapon lights to suppressors but they built their name on weapon laser sighting systems. Since then, SureFire has been recognized as a leading manufacturer of rugged, powerful lights. The SureFire name has become synonymous with excellence in handheld illumination. They believe in providing a product that will give you the edge when dealing with unknown threats in the dark and any of the other possible reasons why a bright, small light could be used.