LedsC4 Iris Surface Hoop 35º AV17-18X9U2DS60 Ceiling fixture for indoor use. Structure material: Aluminium. Structure finish: Black. Warranty: 5 Years. Product net weight (Kg): 0.31 Product width or diameter (mm): 55 Product height (mm): 125 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: 27.0. Photobiological risk: RG2. % de Flickering: <5%. Real flux (lm): 2176. Real lm/W: 118. 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.