For TwinBus video door intercom systems with color image reproduction. -Brilliant color TFT display with 89 mm display diagonal, 320x240 (RGB) pixels and LED backlight. -10 ring tones selectable. -Call volume adjustable in 8 levels. -Call mute switch with optical feedback. -Optical call display. -Night design. -Light switch function. -Door opener button. -Camera control in conjunction with porter camera module 18787 or camera switch 14915. -Ring tone differentiation for door call and floor call. -Control of display brightness, color and contrast. -Display protected against scratches by protective film. -The system is protected against listening and viewing as standard. -Button for answering/ending calls. -Voice volume adjustable. -Menu-supported user guidance and commissioning via on-screen display (OSD) in 13 languages. Dimensions: 91x221x24 mm (HxWxD). Temperature range: 0 degrees to 40 degrees C. Material: brilliant thermoplastic. Color: polar white glossy.
