Responsive and advanced microphone with a built-in anti-noise filter for a clear 2-way Audio experience. Intercom Mode: one party to talk and listen at a time or Hands-free Mode: both parties talk and listen freely for maximum flexibility. Receive real-time Activity Alerts while you're out. 10-sec motion tracking records and centers the moving object. Bookmark your favorite positions (up to 8) and return to them at the tap of a button. Select Auto-Cruise to survey the area 360° horizontally or cruise your bookmarks, suitable for large areas that need a quick scan (and tracks moving objects).