1.Two way communication
2.Remote unlock
3.Monitoring
4.Inner calling
5.Adjustable brightness, color and contrast
6.Adjustable talk volume7.Changeable chord melody introduction: BASIC FUNCTIONS
7" LCD screen with touch buttons, hands free, surface-mounted
Built-in power supply
Support 2 doorbells work with 4 indoor monitors
Support connecting additional 4 CCTV Cameras, 2 of 4 are with audio connection
Support room-to-room internal communication
Support door call transfer to the other indoor monitors
Support broadcasting to the other indoor monitors
EXTRA FUNCTIONS
Support SD card (optional) Support capturing pictures from doorbell automatically (optional) Support recording pictures&videos&voice from doorbells automatically (optional) Support transferring visitor’s call to telephone and unlock remotely (optional)
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