The external microphone is used together with the Visit door transmitter to detect a sound source that is hard to reach. You can for example use the external microphone to detect the intercom and at the same time use the door transmitter to detect the doorbell.
Details
| Cable length |
2.5 m (BE9199), 0.75m (BE9200) |
| Microphone type |
Piezoelectric |
| Connector |
3.5mm mono jack plug |
| Size |
33 x 36 x 4 mm (W x H x D) |
| Color |
White |
