7" Touch Screen Video Door Phone Intercom System

Multi-function with touch screen
See who's at the door from your living room/kitchen.
Talk to them from your living room/kitchen.
Mute to keep silent call with LED flashes.
Multiple camera inputs possible
One outdoor station at front door, the other one outdoor station at back door.
1. Two way communication 2. Remote unlock 3. Monitoring
4. Inner calling 5. Adjustable brightness, color and contrast 6. Adjustable talk volume
7. Changeable chord melody
Introduction
Digital 7" LCD Touch screen, surface-mounted
Built-in power supply
Solution: 2 doorbells and 2 CCTV cameras work with 4 monitor
Support room-to-room internal communication
Support broadcasting to the other indoor monitors
Support card (optional)
Support saving images, video and audio with SD card
Support recording videos and audio from doorbells automatically with SD card