In-lens pinhole aperture, fixed MR16 lamp(s); Choice of fixture widths; Fixtures fabricated to any length; Frosted acrylic lens at fluorescent compartment, rabbeted for a flush appearance; Plaster, flanged or flangeless trim; Suitable for all ceiling types; Housing: CNC fabricated from 20 gauge steel; Trim: Extruded aluminum; Finish: White housing, Black downlight(s); Thermal Protection: Integral; Downlight: halogen, metal halide, or LED modules; Lenses; Dimming ballast; Occupancy sensor; Daylight control module; Emergency ballast; HVAC, fire sprinkler, surveillance, or public address systems integration; Nippo, Feelux, or Lumilux Seamless lamps, consult factory; Integral electronic ballast(s); Integral low voltage toroidal transformers; Through branch wiring capable; 120V or 277V; UL; Union Made in the USA