Video door intercom for surface mounting, with 5 inch touchscreen for 1 to 32 virtual call buttons. Front panel made of 2mm brushed stainless steel, housing made of aluminum / steel (IP54, impact resistance IK08). With super wide-angle color camera (170° horizontal detection) with zoom function, white light LED illumination (up to approx. 0.8m) and illuminated LCD display (480 x 800 pixels). Names are displayed and can be selected (alphabetical sorting with search function). For up to 4 residential units, an individual image file (also with text) can be displayed below the name fields. Control of the door opener via code or via integrated RFID reader (management via display). Acoustic and optical signaling of the door opening. Reverse polarity protected 2-wire bus connection to a VT200 system power supply. Connection for door opener (ET100A or 12V DC, max. 250mA via bus supply or via integrated potential-free relay (24V AC/DC, max. 1A)).o. Door opening time: adjustable 1- 99 sec. Power supply: 24-29V DC, max. 9W from system power supply unit. Max. 4 door intercoms can be operated in the system. Delivery includes transponder chip (RFID tag) in key chain format. Dimensions: 138 x 319 x 47mm. Suitable accessories: additional transponder chips VT200TAG1, electric door opener ET100A, relay module VT200R (for controlling a door opener that does not meet the specifications mentioned, for tamper-proof or second door opener).