25 watt super bright LED lighting unit 50,000 hour LED light source Recessed architectural housing Aluminum housing with stainless steel hardware Corrosion resistant design with low heat surfaces Uniform light beam distribution Hard or soft edge projection with iris kit or framing kit Film or Gobo image projection UL Listed components Sealed Built-in low voltage dimmable transformer, short protection Removable light engine and optics Efficient, precision optical system, five optical elements Bk270 optical glass lens Manual focus adjustment Lens options available Quiet fan-less operation Track, canopy, or base mount options Color temperature: 3100 or 4800 degree k., std. 3100 Dichroic color filter holder inside light tube for color shifting Three year warranty