The HIKVISION DS KB2411 Analog Four Wire Door Station is a great door station provided by minify solutions. It is a Four wire analog door station which means that it provides you with great communication whether it is voice communication or video communication.Additionally, it has a pinhole camera with an IR supplement that can record videos during the day or night providing you with great quality.Moreover, the metal frame looks really great and features only one physical button to compliment the great design that works well with all gate designs. Finally, it supports Two-door stations by providing cascading information. Thus the communication between the door station and the intercom will be seemly. Get more information about Hikvsion Analog Four Wire Door Station DS-KB2411-IM.