This intercom was designed to be mounted into a door frame main reason for this was no room for an intercom system in a 100 year old building downtown Toronto on Queen Street the system as a remote door unlock feature for the tenants also pause mailbox release for The Postal Service matching there key system. The system is Vandal resistant and an audio system only video and audio is available however this particular unit is only audio with dorilys feature
This model is designed for four units only
