ACTOP video intercom security system is a tcp/ip based video door phone. It can use to villa, apartments, buildings. Whole system include all accessories which needed to install the devices. It have indoor monitors, gate station for entrance, card access for some exit, villa gate station, card writer, second camera. We could make a solution based on your requirements. 

Front Door Intercom Systems for Home Main functions:

TCP/IP system, with PC management software to configuration.
With RS485 ports, 8 Zone Alarm
Flat to flat intercom, can leave message
Audio & video, hand-free, IC card & password unlock
Use CAT-5e cable RJ45 port and switch, easy to install

Guard station for guard house also included 

Front Door Intercom Systems for Home Specifications

IP video door phone Indoor monitor:

7 inch Touch screen & Physical buttons
Pixel:800*480 , Aluminum surface shell
Digital Photo Frame function
SD card slot (up to 32G)
Support SD card to download doorbell music ( MP3 format )
Smart Home Control Protocol 485 interface
8 Zone Alarm , three-state detection
Flat to flat intecom , Record massager to family
RJ45 wiring port
12V voltage

IP video door phone Gate station:

7 inch screen & Touch buttons
Pixel:800*480 , Aluminum surface shell
Support IC/ID card , password to unlock
Leave message function
650TVL Sony HD CCD camera, Pixel: 0.5M
LED night vision ( white light )
Can be used as Host Camera & General Camera
12V voltage

IP video door phone Guard station:

7 inch Touch screen & Physical buttons
Pixel:800*480 , ABS surface shell
With handles
Intercom, Monitor , Unlock

IP video door phone for Home details:

Front Door Intercom Systems for Home Connection Diagram: 

Front Door Intercom Systems for Home company information: