1:2 Copy Cruiser Pro CD/DVD Duplicator is a stand alone 1:1 DVD/CD Duplicator when connected to your PC via USB 2.0, it becomes a 1:2 DVD/CD Duplicator with LightScribe that can laser burn silkscreen quality labels on your discs and function as an external DVD/CD Recorder. The 1:2 DVD/CD Copy Cruiser Pro LX also supports recording and duplicating DVD-RAM discs. Connecting the 1:2 DVD/CD Copy Cruiser Pro LX to your PC opens a vast array of truly unique features available only from Aleratec. Using the software included, you can laser burn two labels or you can record two DVD/CD disc creations simultaneously. Even more exciting, you can connect another 1:2 DVD/CD Copy Cruiser Pro LX to your PC and you can simultaneously produce up to 4 DVD/CD Copies, Recordings, or Clearly Labeled Discs. You can even mix copying discs and burning labels at the same time which makes it perfect for one off jobs where the content and the label of each disc is different or you can burn up to 4 different discs or 4 different labels at the same time.