This black surface mount intercom is designed to give you added peace of mind and the security of knowing who's at the door before you open it, and the 2 way audio let's you talk to and screen visitors without having to open the door. It has a very high quality of finish and is sure to make a sleek and stylish addition your home or business decor. By installing these 2 screens it not only enables you to answer the door from 2 locations but they can also be used as an audio intercom between stations so you easily contact somebody in another part of the building. It also features a record feature which is activated when the door bell button is pushed and stores a photo on an SD memory card so that you can see who called even if were not there when they did. This surface mounted camera and doorbell unit is designed to be mounted directly onto your wall or door frame which makes it easy to install as you do no need to alter the mounting spot in any way which also means you have more options when choosing where to mount the unit. It has the latest in WDR (Wide Dynamic Range) technology and extra bright white LED's to give you bright clear images any time of day or night.