Door-entry phone entrance panel with front plate in 3 mm thick bronze-finish watchmaking brass plate with PVD treatment. Complete with flush-mounted box and anti-intrusion screws. All entrance panels are fitted with bulb sockets (without bulb) for festoon bulbs with a diameter of 6.3 x 39. The entrance panel should be finished with a door-entry phone audio speaker unit depending on the wiring system used. 5 buttons, 1 wire. Plate dimensions 135x339x3 mm. Box dimensions 115x273x55 mm. 1 bulb socket