1. 7'' color TFT display,Acrylic panel, touch button

2. Calling,Monitor,Unlock,Intercom

3. Doorpenal call transfer among monitors

4. audio intercom between/among monitors

5. Lock control, voltage lock (or 12V+N/O+N/C)

6. Support 2 doorpanels+4 monitors+2 CCTV cams

7. 12 ringtones for choice, no disturbing function

Acc：

1*monitor bracket

1*power adaptor

1*user manual 

1*screw units

1*2/4/5 core connectors