Housing: in extruded aluminium with die-cast aluminium end caps. Optics: dark light double parabolic louvers in high gloss 99.99 aluminium, anti-dazzle and anti-iridescent, very low luminance, and PDV treatment. : UGR<lt/>19, according to standard EN 12464. Coating: the fully automated powder-coating cycle involves a polyester-based, salt-spray corrosion-resistant and UV-stabilised paint. Low flicker: luminaire with very low flicker: evenly distributed light for greater visual safety. Photobiological risk: exempt risk group according to EN62471. : EN60598-1. They have a degree of protection according to the EN60529 standard. Equipment: snap-fastened optics, it stays attached with fall-proof springs.