This Module allows you to play chimes throughout the intercom system. Supports 3 door pushbutton locations and works with lighted or unlighted door pushbuttons. Plays 8 notes for front door, 2 notes for side door and 1 note for rear door. Features adjustable chime volume control. Mounts in and connects to IM-3204, IM-3303, IM-4406 and IM-5000 master stations.