Available with inbuilt 128 image memory CDV70N and without memory model CDV 70 N
Monitoring& talk with a visitor, Door lock release
Monitoring an entrance
Up to 2 door cameras(CDV-70N)
Supports up to 2 door cameras
OSD menu(CDV-70N)
Equipped with On Screen Display (OSD)
Interphone (CDV-70N)
Supports 1 slave audio unit like DP-4HP/4VR/4H
Guard station unit(CDV-70N)
Supports guard station unit(CLS-10)
Handsfree
Door cameras CDV-70N 
Pp to 2 door cameras connectible 

OSD function CDV-70N 
Adjusts functions easily using OSD(On screen display) menu 
Guard station unit CDV-70N 
Guard station unit called CLS-10 connectible 
Specifications 
Power Source AC100~220V , 50/60Hz 
System type Stand-alone 
Extension Unit CDV-70A :DP-4VR/4VH/4HP(Interphone) 
Mounting type Wall surface mounted type 
Display 17.8 cm(7) inch color TFT LCD
Wiring Camera :4 wires Interphone:4 wires Guard station unit:2 wires 
Dimension 243X168X35mm 
On-screen duration Talk: 60sec, Standby.