Decorative square surface-mounted LED luminaire with a flat seamless frame made of powder-coated extruded aluminum profile. It features a powder-coated sheet steel cover and direct light emission through a diffuser made of non-yellowing opal plastic (PMMA). Indirect light emission is provided by a flush diffuser made of satinized plastic. The LED backlight technology ensures homogeneous illumination across the entire light-emitting surface, with direct light emission at 70% and indirect at 30%. This luminaire is suitable for ceiling and wall surface mounting and allows for simple installation thanks to the plug and play connector system. It includes integrated control gear and is DALI dimmable, with options for through-wiring. Additionally, it offers Casambi smart+free Bluetooth control for wireless networking and operation via Android or iOS devices, with a free app available for download.