The kit includes: no. 1 art. CA5100P - Ciao wall-mount entrance panel for 1/2/4 buttons, no. 1 art. 2702W - 2-button Mini door-entry phone, no. 1 art. CA9210 - 2 double-height buttons for Ciao entrance panel, no. 1 art. CA9211 - 4 single buttons for Ciao entrance panel, no. 1 art. CA9213 - 1 large button for Ciao entrance panel, no. 1 art. 1200 - transformer 10VA 0-230V/0-12V. Traditional system.