Provided is a video intercom device for suppressing electric power consumption. The video intercom device adopts a configuration where the video intercom device switches between a first communication method by which an indoor master unit or a telephone master unit and a front door slave unit performs wireless communication under a predetermined condition, and a second communication method with electric power consumption lower than that of the first communication method, the first communication method is switched to the second communication method when the indoor master unit registers the front door slave unit, and the second communication method is switched to the first communication method when a telephone master unit registers the front door slave unit.
