Wall-mounted colour monitor with 3.5'' screen and full-duplex hands-free audio function. It offers audio and ringtone volume adjustment, with brightness level and privacy enabled indication. The ringtone can be customised. Fitted as standard with key button, audio enabling/disabling button with corresponding indicator LEDs and 2 other buttons pre-set for self-ignition and switchboard call (these can, however, be programmed for various uses). Manages floor door calls as standard. Comes complete with an 8-position DIP SWITCH for user code programming, as well as a second 8-position DIP SWITCH for programming management. The monitor can only be used in 2-wire SBC Simplebus TOP colour systems. Dimensions: 138x138x24 mm.