Dahua Technology VTH2421FW-P User Manual

Figure 3-19 Monitoring VTO
Table 3-3 Interface description
Icon
Description
/
Remotely unlock the door where the VTO is located.
The system provides 2-channel unlock function. If the icon is
gray, it means that unlock function of this channel is not
available.
Take snapshot.
●
An SD card is needed to use this function.
●
The SD card is available on select models.
Tap to start recording, and it will stop when the call is completed
or by tapping the stop icon.
If the SD card is full, the oldest videos will be overwritten.
●
An SD card is needed to use this function.
●
The SD card is available on select models.
The VTO has been added to Favorites.
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Dahua Technology VTH2421FW-P Specifications

General

Brand	Dahua Technology
Model	VTH2421FW-P
Category	Intercom System
Language	English