Carrot Java application (Carrot Java) is specially designed for iPad . Carrot Java transforms your iPad into a Video Doorphone Panel - allowing you to communicate with visitors, guards and concierge. Carrot App features:Answer Video Call Made From Visitor PanelAnswer call from Guard Unit/ConciergeUnlocking Main Entrance to EstateRequirement:Carrot Java hardware installationiPad with iOS 5.0 or above