Linear surface-mounted ceiling and wall light for aesthetically sophisticated lighting. Powder-coated extruded aluminium profile housing with powder-coated aluminium end caps. Alea optic system features a reflector structure made of ABS and vapour-coated aluminium, providing highly specular reflection, along with an integrated diffuser made of non-yellowing opal plastic (PMMA) for glare-free light at the workplace, screen-compatible in accordance with DIN EN 12464-1. Suitable for ceiling surface mounting, it includes a replaceable and removable LED unit with integrated control gear and is suitable for through-wiring. Available on request with sensors or as an emergency luminaire.