The SR-D-IT provides remote momentary-on activation, either separately or simultaneously, for two weapon-mounted illumination tools"a SureFire WeaponLight and an Insight® ATPIAL laser illuminator/pointer or DBAL laser. Separate plug-in cables connect each device to the switch platform, where two pressure-pad switches are integrated with a single snap-on clamp for easy attachment to your firearm's Picatinny rail forend. The 9-inch switch cable (SR09-D-IT) works with most rifle/carbine applications; 7-inch cable available (SR-07-D-IT). The entire unit is weatherproof, including the O-ring-sealed plugs.