The Nutone (NA3008C) 8-Note Chime Module can be installed in either NM100 or NM200 Master Stations. To announce a visitor, the intercom systems door chime sounds when the chime button is pressed on a door speaker connected to the intercom. The module can be set to play one, two, four, or eight notes with a different chime for each door. Broan-Nutone NA3008C 8-Note Chime Module Features: Chime module mounts inside Master station; 3-1/4"W x 3-1/4"H.
Limited One (1) Year Warranty through the Manufacturer