Sheet steel housing in square design, prepared for attaching end faces or luminaire connectors made of steel, direct light distribution using reflection-enhanced MIRO® aluminum micro parabolic louvre, satin finish with low-cross-section slats, with light reflection level 97%, for computer workstations, 65° < 1500 cd/m² all-round glare reduction in accordance with the current standard DIN-EN 12464-1, self-locking, louvre optically continuous when installed in light strips. Electrical connection via 5-pin connection terminal with plug-in contact technology.