Single-family audio kit with Ikall external unit and Mini door-entry phone, Simplebus 1 wiring. The kit consists of: 1 art. 1622 - Ikall series audio unit, 1 art. 2708W/A - Mini series door-entry phone with 2 buttons, 1 art. 3316/2 - stainless steel surface-mounted housing for 2 modules, 1 art. 33401 - black Ikall series 1-button module, 1 art. 3311/2S - Ikall series 2-module frame with silver trim, 1 art. 3348B - Ikall series electronic key module, 1 art. 1595 - door-entry phone power supply unit.