The JO-DV is an aluminum die cast surface mount color video door station. The JO-DV can be used with the JO Series or with the GTMKB-N Video Guard Station in the GT Series. The station will connect to the master / guard station, expansion station, or two door station adaptor (JOW-2D) using an 18AWG 2-conductor solid core cable. The JO-DV includes a camera, microphone, speaker, and call button. When the call button on the door station is pushed, the inside stations ring and the video monitor comes on with the image from the door station’s camera. The user at the inside station touches the "TALK" button to initiate communication. The person at the door station speaks hands-free.