Series: FLAT POLYMERO C Round surface-mounted luminaire with spherical diffuser for indoor use. Base: metal, powder-coated. Diffuser made of non-yellowing plastic (PMMA), opal. Diffuser fastening: patented push system. Homogeneous light distribution from the diffuser. Indirect light distribution for soft ceiling illumination. Suitable for Ceiling mounting, Pendel für schräge Decke, Wall (surface). MultiColour: Colour temperature individually adjustable either 3000 K or 4000 K. Factory setting 3000 K. With Casambi smart+free Bluetooth control for wireless network and operation using Android / iOS devices, free app available for download. Pendant luminaire also possible with accessories. Replaceable components make repairs possible and extend the service life. Colour: white Diameter: 360 mm Height: 100 mm Lamp: LED Socket: without socket Colour temperature: 3000K, 4000K Colour rendering index (CRI): 80 System power: 19 W Rated luminous flux: 2550 lm Beam angle Down: 119° Luminous efficiency: 134 lm/W System power 2: 19 W Rated luminous flux 2: 2600 lm Luminous efficiency 2: 137 lm/W Control gear: Dimmable Bluetooth converter Protection class: I Type of protection: IP 40