A 3" aperture specification grade adjustable housing platform that accepts 75W maximum low voltage MR16 tungsten-halogen lamps. Suitable for 2x6 residential framing or shallow commercial installation. Die cast lamp capsule facilitates aim and focus, unique heat sink configuration lower critical lamp pinch extending life. The platform is airtight to prevent energy loss, room drafts, dust marks on ceilings and reduce sound transmission. Insulation must be kept 3" away from top and sides of the housing. A complete fixture requires two components; a P3MRREMOTE housing platform and a 3" IRiS optical element. Elements may be changed after installation to provide a variety of distributions. Requires a remote low voltage transformer supplied by others. Specifications Manufacturer Cooper SKU RPN3MR Finish Black, White Dimmability Dimmable All trim types are available including baffle, alzac, wall wash, adjustable "eyeball", wet location and airtight rated trims. Call 1-800-480-0707 or email firstname.lastname@example.org to choose popular trim colors including bronze, metallic, white, black or custom color options.