Series: FLAT POLYMERO KREIS XXL Decorative round surface-mounted luminaire. Base: metal, powder-coated. Diffuser made of non-yellowing plastic (PMMA), opal. Diffuser fastening: sash lock. Colour: white Diameter: 1040 mm Height: 150 mm Lamp: LED Socket: without socket Colour temperature: 4000K Colour rendering index (CRI): 80 System power: 100 W Rated luminous flux: 10400 lm Luminous efficiency: 104 lm/W Control gear: Regulated power supply Protection class: I Type of protection: IP 40