SureFire's SR07-D-IT attaches directly to a Picatinny rail and features dual 7 inch cables. The SR07-D-IT's plugs are compatible with the ATPIAL and DBAL lasers, as well as the SureFire Millennium Universal, Classic Universal light, Scout Light with socketed tailcap, and X200, X300, and X400 lights fitted with an XT tailcap. This switch assembly allows the user to instantly activate either system simultaneously or separately with the momentary-on feature SureFire 7" Dual-Plug Rail Grabber Tape Switch SR07-D-IT