The Eycasa video door unit is a communication unit including door opener function and video camera. It is the perfect extension to an Eycasa intercom set, for instance, if a second door needs to be secured. Up to 2 door units can be connected for each main unit, i.e. an extra door unit can be added to an intercom set (main unit + 1x door unit).Security & convenience in one package: Two-way communication, door opener, video surveillanceEycasa combines speaking and door opening. This way you can see exactly who is at the door and have the option of either speaking or switching the door opener using a main unit. Easy installation, ideal for retrofitting in existing buildingsThe door unit can be installed horizontally or vertically. The connections of a previous intercom can also be used. The power supply is connected to the existing bell transformer - or a battery can also be used. Apart from this, no other cable is necessary – the entire system is based on wireless components.RestrictionsTo operate the door unit you need an Eycasa main unit. The door unit cannot be operated on its own.