The JO-DV is an aluminum die cast surface mount color video door station. All JO Series door stations are available as part of a kit including the JO-1MD master station. When the call button on the door station is pushed, the inside stations rings and the video monitor comes on with the image from the door station’s camera. The inside station’s user touches the “TALK” button to initiate communication. The person at the door station speaks hands-free.