Series: Flat Polymero Base: metal, powder-coated. Diffuser fastening: push lock. Diffuser: plastic (PMMA), opal. Colour: white Diameter: 515 mm Height: 150 mm Lamp: LED Socket: without socket Colour temperature: 4000K Colour rendering index (CRI): 80 System power: 19 W Rated luminous flux: 2150 lm Luminous efficiency: 113 lm/W Control gear: AC power, DALI dimmable Protection class: I Type of protection: IP 40