60817639 SUP2 SF R36 LED350-927 SP 350MA WH Recessed luminaire unit with 1 fixed LED spotlight head as downlight; equipped with lens system for high quality accent lighting in museums and exhibitions spaces; combination of LED PCBs, lens and film creates uniform light distribution with high intensity and soft transitions, without stray light from the light cone; lamp(s): 1/4.2W, Colour rendering Ra > 90, colour temperature 2700 K; Luminaire or spotlight with SPOT light distribution; colour tolerance: SDCM 2 initial, LED PCBs premium-selected; Luminaire luminous flux: 300 lm, Luminaire efficacy: 71 lm/W; service life: 50000h for luminous flux at 90% of initial value; lamp unit and recessed housing of die-cast aluminium, white-coated; optic consists of glass lens and Plastic film; front ring is for glare reduction and accommodating films; easy to fit without tools using spring clips in ceilings of thickness 1-25mm; ceiling cutout: Ø36mm, recess depth: 65mm; weight: 0.08 kg; Note: order control gear (350mA), connection cable and distributor separately; film can be replaced to achieve other light distribution patterns; ring louvre or the extended anti-glare cylinder can be exchanged for the front ring.