Surface direct light luminaire dimmable with searching and addressing function. Luminaire body is made of extruded aluminium and includes die-cast aluminium end caps with 50/60 Shore A silicone seals. The top of the optical assembly is closed by a 3 mm thick transparent glass screen, fixed with silicone. All external screws used are made of A2 stainless steel. The luminaire technical characteristics conform to EN 60598-1 standards and particular requirements. IP66, IK06