Entry phone entrance panel with 4 mm thick anodised aluminium front plate, 16 mm diameter buttons, impact-proof grille. Complete with flush-mount box and anti-intrusion screws. Equipped with module holder and bulb sockets (without bulb) for festoon bulbs with a diameter of 6.3 x 39 mm. The keypad should be completed with an audio/video unit appropriate for type of the wiring system. 55 buttons, 4 rows. Plate dimensions: 340x477x4 mm. Box dimensions: 320x457x55 mm. 1 lamp socket