Features:

Box Set Includes:
MK-1GD: Master station with black and white monitor
MK-DV: Surface mount fixed video zinc die cast door station
PS-1820UL: Power supply

MK-1GD:
Quick and easy to install
Single door, three monitor system with door release
Instant voice call-in with image
Internal handset communication
All Call to inside stations
Transfer to door call-in to another station
Fixed camera, wide angle viewing
Connects to video door station and max two MK-1HD sub monitors (or MK-2SD audio only subs)
Handset for private communication
Door call in LED
Monitor button
Door release button
Extra dry contact for light activation (requires additional equipment)

MK-DV:
Clear, crisp image
Black and white fixed camera with wide angle view
Illuminator LED's automatically turn on in low light conditions
Hands-free (no handset) communication when master answers