Surface luminaire housing from extruded aluminium profile, angular design, no visible screws, surface powder coated in white, grey or black. Luminaire profile with pre-assembled converter unit can be pre-mounted. light inset can be installed without tools. light inset made from extruded profile for improved thermal management. (reflector version). HPO (High Performance Opal) cover uniform illumination. or micro prismatic DALI-2 converter.