Metal housing made of up to 4 mm thick aluminum profiles, extremely easy assembly and installation, compact design with a height of just 16 mm, long-lasting nameplate lighting using LEDs, control tone for visitors when pressing the bell buttons, integrated bell button wiring, shatter-proof nameplate cover made of 4 mm thick plastic glass, win:clip principle, temperature range: -20 degrees C to +50 degrees C, information field size: 62 x 25 mm, name field size 62 x 19 mm, color: natural anodized aluminum, dimensions: 153 x 104 x 16 mm