1 3/4" round or square recessed trimless fixture, made of extruded aluminum, available painted gray, white or black. Suitable for installation into plaster ceilings 1/2", 5/8" and 3/4". Aperture can be manually adjusted to three different positions at any time to achieve a fully recessed, semi-recessed and surface mounted look. Medium flood beam spread, available in 2700K CRI &gt; 80 or 3000K CRI &gt; 80 color temperature. Various dimming options 0 - 10V, Hi-lume 3D digital DIM. Fixture comes with LED lamp head with specified conduit length and gypsum mounting plate. Order driver LED converter box separately.