The ST switch lets you remotely activate any SureFire WeaponLight that has a switch socket. The switch pad has adhesive-backed hook & loop for attachment to desired location. Plug is O-ring sealed, weatherproof. Cable length is measured from opening of plug skirt to beginning of tape switch. Seven-inch cable length (ST07) fits most rifle/carbine applications. FeaturesProvides remote momentary-on WeaponLight activationTape switch attaches with adhesive-backed hook & loopUnit is O-ring sealed, weatherproof