The Nutone (NA3003C) 3-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, or three notes with a different chime for each door. Broan-Nutone NA3003C 3-Note Chime Module Features: Chime module mounts inside Master station; 3-1/4"W x 3-1/4"H.
• Part Number: NA3003C
• 4.8 x 4 x 1.3 inches ; 4 ounces