LedsC4 Iris Ceiling Surface Big Visual Comfort AV27-18X9V3OSO4 Ceiling fixture for indoor use. Structure material: Aluminium. Structure finish: Gold/Gold/Transparent. Warranty: 5 Years. Product net weight (Kg): 0.52 Product width or diameter (mm): 55 Product height (mm): 160 Class 2. IP: IP43. LED. No. of lampholders or LEDs: 1. LED brand: CREE. Maximum power of light source: 16.4W. Colour temperature: 4000K. Colour rendering index: 92. MacAdam Steps: 2. Hours of life: 50.000h L80B20. UGR: 27.4. Photobiological risk: RG2. % de Flickering: +/- 5%. Real flux (lm): 2378. Nominal flux (lm): 890. Real lm/W: 129. Voltage / frequency range: 110-277/50-60Hz. Voltage: 33,7. Equipment included: Yes. Total power: 18.5. Power factor: 0.95. Dimmable equipment included: ON-OFF.