EUT-2/2 letterbox for door loudspeaker 2/2 UP stainless steel ESTA. Flush-mounted letterbox in accordance with DIN EN 13724 for audio door station as intercom in accordance with DIN EN 50486, made of matt brushed stainless steel, thickness 2 mm. Consists of a square surface-mounted frame (30 mm all around), door(s) with BK security lock including 2 keys and letter slot(s), perforated intercom grille, round bell button, nameplate(s) (changeable from the front) with LED lighting and door loudspeaker bracket with quick assembly. Note: Suitable electronics and loudspeakers required.