Wall-mounted monitor with 4&rdquo, B/W screen and handset. Allows call volume adjustment with mechanical privacy control and brightness and contrast adjustment. Ringtones can be customised by selecting one of various melodies. Fitted as standard with key button, indicator LED and 2 other buttons pre-set for self-ignition and switchboard call (or actuator control). Manages floor door calls as standard. Complete with 8-position DIP SWITCH for programming the user code. The monitor can be used in B/W Simplebus2 systems. Dimensions 216x189x50 mm.