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The number of simultaneous viewers of a video device is determined by the series of the video device.
Note: To determine the series of the video device, read the last two numbers on the camera model (i.e., 721, 520ir, 510).
| Camera series | Number of viewers |
|---|---|
| Alarm.com Doorbell Camera | 2 |
| ’10 Series | 5 |
| ’20 Series | 10 |
| ’21 Series | 10 |
| ’22 Series | 10 |