LED ceiling-recessed luminaire with one lamp unit, white; dimmable Dali only; designed to provide optimum high-quality accent lighting, especially in retail and showroom areas; compact, low-profile design with minimalist look; includes high-power LED module; secondary lens optic, which can be changed without tools, delivers precise, uniform light distribution; lamps: 1/32 W LED930 spot, dimmable Dali only; colour temperature: 3000K (warm white); Luminaire luminous flux: 2000 lm, Luminaire efficacy: 63 lm/W; colour rendering index: RA92; UVA-free and IR-free light; Chromaticity tolerance (initial MacAdam): 3; service life: 50000 h for luminous flux at 70% of initial value; illuminance can be dimmed from 3-100%; single pre-assembled part comprising lamp unit and separate controllable ballast unit, dimensions: 278x114x53mm; electrical supply: 5-pole connector terminal, loop-in/loop-out possible; mains voltage: 220-240V/ 50/60Hz; lamp unit can rotate through 360° and tilt through ±90°; innovative thermal design achieves passive cooling; lamp-unit housing and recessed housing with circular mounting surround are made of die-cast aluminium in white microtextured paint finish; finished in black internally; click-fit mechanism for easy attachment of accessories and replaceable optics; luminaire fitted using concealed screws in ceilings of thickness 1-25mm; ceiling cut-out: Ø175 mm, recessed depth: 100 mm; Dimensions: Ø195 x 175 mm; weight: 1.77 kg; Please note: please order separately the special tool required for installation (60700309) TORX ball-head key size 1/4" x 70 T20.