5.6" Color Video Doorphone Visitor calling, Video intercom(color), Unlock & monitor Night mode,Auto turn off,Rain-proof 5.6" Color Video DoorphoneFeatures:Vistor calling,Video intercom(Color),Unlock ... & monitor,Night mode,Auto Turn off,vandal resistance,Handfree.Worldwide-initial,Thinnest mointor.Specifications:Screen:Color 5.6 Inch TFT ...