LedsC4 Iris Ceiling Surface Big Hoop AV27-18V9U3DSO4 Ceiling fixture for indoor use. Structure material: Aluminium. Structure finish: Gold/Gold/Transparent. Warranty: 5 Years. Product net weight (Kg): 0.47 Product width or diameter (mm): 55 Product height (mm): 110 Class 2. IP: IP43. LED. No. of lampholders or LEDs: 1. LED brand: CREE. Maximum power of light source: 16.4W. Colour temperature: 2700K. Colour rendering index: 92. MacAdam Steps: 2. Hours of life: 50.000h L80B20. UGR: 26.9. Photobiological risk: RG1. % de Flickering: <5%. Real flux (lm): 2011. Real lm/W: 109. Voltage / frequency range: 110-277/50-60Hz. Voltage: 33,7. Equipment included: Yes. Total power: 18.5. Power factor: 0.90. Dimmable equipment included: DALI-2.