From the Home + Security app you can: - receive a call from the external keypad - activate the door associated with the keypad - activate the cameras on the external keypads - activate the additional cameras on the video intercom system - activate the Netatmo Smart cameras - call home (audio communication between Classe 100X and the smartphone). - view the history of what happened at home - manage notifications (Android only) For more details, see the manual available on the website http://www.homesystems-legrandgroup.com