An intercom (intercommunication device), talkback or door phone is a stand-alone voice communications system for use within a building or small collection of buildings, functioning independently of the public telephone network.
They are classified into two:
IP
HD
IP Intercom
We have domestic and apartment intercom
Domestic
Apartment
Apartment
Specifications
720p/1080p/4k resolution
Both video and audio recording
8-12tb memory capaciy
All channels simultaneous playback
Two-Way Audio
Mobile monitoring and playback
HDMI and VGA Video Outputs
Domestic
Specifications
720p/1080p/4k resolution
Both video and audio recording
8-12tb memory capaciy
All channels simultaneous playback
Two-Way Audio
Mobile monitoring and playback
HDMI and VGA Video Outputs
Smart door
This video intercom is simple and easy to install, with no need to run data cables. The DHI-VTO2111D-WP camera module is installed at the property entrance, and connects to the DHI-VTH5221D touch screen monitor. The DHI-VTO2111D-WP camera module can also be installed as a standalone video doorbell and viewed on your smartphone or tablet. Call Mobile phone APP directly without indoor monitor also can control electric door lock which can be unlocked using smartphone application gDMSS Lite.