Housing: galvanised steel. Optics: dark light longitudinal and transversal double parabolic louvers, made of high-gloss, plated 99.85 aluminium, anti-dazzle and anti-iridescent, very low luminance, 65°. : UGR<lt/>19, according to standard EN 12464. Coating: pre-painted in oven with polyester resin, UV-stabilised, phosphate pre-treatment. Wiring: quick, no need to open the fixture. Low flicker: luminaire with very low flicker: evenly distributed light for greater visual safety. Photobiological risk: exempt risk group according to EN62471. : EN60598-1. With degree of protection according to EN60529. Equipment: - inspection door and terminal block for electricity connection. - Protective film. Mounting: recessed only surface mounting on max. 38mm T-beams.