Numark Cue Professional Dj Software Mix, Scratch, Juggle & Sample Audio & Video On 2 Virtual Decks Play Audio & Playlists From Cd, Dvd, Mp3, Wav, Itunes & More Cue Video On-Screen & Output It To Projectors, Tvs, & Other Screens Automatically Sync Tracks Together For Effortless Song Transitions Automatically Detects Bpm On Virtually Any Track Mix, scratch and interchange audio or video NewSmart Database Management - Automatically checks database integrity at launch and fixes errors by cleaning out missing and removed files New Global Search Files are automatically added to a global search database allowing you to quickly find files stored Industry-leading stability and reliability. Visual waveform overlay of beats Increases visual clarity Automatically checks database integrity at launch and fixes errors by cleaning out missing and removed files