Carus Adapto, metal monitor in color, surface-mounted with flush-mounted box, housing made of solid aluminum, hand-finished structural surface, buttons laser-labeled from anodized aluminum, color: silver, based on the TCS video system in 6-wire technology, audio and video indoor stations can be combined within one system, hands-free calling / manually controlled intercom can be activated, automatic hands-free calling can be activated after an internal call, blue door opener button with activatable floor door opener function, light button, 1 function button ex works: assigned with control function / activatable alternative assignment: internal call, automatic door opener, call forwarding, selection of 13 ring tones, acoustic and optical call differentiation between house door, apartment door and internal call, acoustic door call differentiation for 2 doors, ring tone volume / manually adjustable, ring tone deactivation with optical display, 1 parallel call can be activated, optical short-term storage of door calls, optical busy display when a voice connection is established, Privacy lock and automatic call disconnection, color monitor with digital TFT display, screen diagonal 8.9 cm (3.5 inches), resolution: 320 x 240 pixels, image button to switch on the image or to switch between different cameras, 4 control buttons (right, left, up, down) to control PTZ cameras, brightness, color saturation / manually adjustable