Series: MONDANA quadra Decorative square surface-mounted luminaire for indoor and covered outdoor use. Base and cover frame made of UV-stabilized plastic (polycarbonate). Diffuser made of non-yellowing plastic (PMMA), opal. Diffuser fastening: bayonet system. Homogeneous light distribution from the diffuser. Indirect light distribution for soft ceiling illumination. Suitable for Ceiling mounting, Pendel für schräge Decke, Wall (surface). Useful markings for alignment with the laser as well as support points for the spirit level. Very easy installation thanks to plug-and-play connector system. The large connection compartment on the back for convenient connections is also ideal for through wiring. Base fixing slots outside of gasketed area, drill hole deviations can be compensated. MultiColour: Colour temperature individually adjustable either 3000 K or 4000 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. Luminaire with limited surface temperature in accordance with EN 60598-2-24 for use in environments where no unusual dust deposits are expected. Replaceable components make repairs possible and extend the service life. Colour: traffic white, matt (RAL 9016) Length: 380 mm Width: 380 mm Height: 77 mm Lamp: LED Socket: without socket Colour temperature: 3000K, 4000K Colour rendering index (CRI): 80 System power: 19 W Rated luminous flux: 2400 lm Beam angle Down: 116° Luminous efficiency: 126 lm/W System power 2: 19 W Rated luminous flux 2: 2550 lm Luminous efficiency 2: 134 lm/W Control gear: Dimmable Bluetooth converter Protection class: II Type of protection: IP 54