Series: FLAT POLYMERO Decorative round surface-mounted luminaire. Base: metal, powder-coated. Diffuser made of non-yellowing plastic (PMMA), opal. Diffuser fastening: patented push system. Suitable for ceiling mounting, wall (surface). Colour: white Diameter: 515 mm Height: 150 mm Lamp: LED Socket: without socket Colour temperature: 4000K Colour rendering index (CRI): 80 System power: 18 W Rated luminous flux: 1850 lm Luminous efficiency: 103 lm/W Control gear: Converter, dimmable, DALI Protection class: I Type of protection: IP 40