Light source LED 600 - 6000 lumen out Colour temperature 3000/4000 K CRI Ra 80, MacAdams 3 Driver Fixed output (HF). Body material & colour Housing in extruded and die-cast aluminium. Double layer polyester powder coated paint finish in colour aluminium grey (RAL 9006). Tempered glass diffuser. Silicone gasket. Stainless steel screws. Mounting For installation directly on wall, ceiling or solid ground. Connection O81-110: 1 x membrans gland on backside of the luminaire and 3 pole 2,5 mm² screw terminal block. O81-220: 2 x membrane glands on backside of the luminaire and 3 pole 2,5 mm² push-in terminal block. Outdoor use requires suitable flexible cables assuring the water tightness of the membrane gland. Optics Medium beam (MB). Narrow beam (NB). Protection against surges O81-110: Up to 2kV O81-220: Up to 4kV