Through this extension speaker you'll hear chime tones from door station, alarm sounds during external sensor input, audio during instant voice call, and chime tone during room-to-room communication.
- Dimensions: 4 3/4" High, 3 1/2" Wide, 1 1/8" Deep
- Announces a call tone. No communication.
- One speaker for the master or sub station.
- Volume adjustment to 3 positions.
- Surface or wall mount, single gang mounting.