Smart video door intercom with a 7-inch screen and aluminum intercom. The Elia SMART smart video door intercom is easy to install and has been designed with an emphasis on environmental friendliness and durability. It is primarily made from recycled materials. With dual control functions for the door lock or gate, as well as night vision, it offers all the features of a smart video door intercom. Use the Avidsen Home app to manage access to your home from anywhere: see who is ringing your doorbell and open the gate for a delivery person.