The Prompter People StagePro PRO-SP24P Presidential Teleprompter Pair is ultra adjustable with easy, tool-less set-up, and the poles break down into 3 pieces allowing for adjustable height and portability. All Prompter People monitors are self-reversing for easy prompting. The lightweight, long life LED backlit display offers a bright 400 nit image (nit is the unit of visible-light intensity), High Bright monitors for outside use are available. Both HighBright and Regular monitors can display prompting with either the included PC and Mac software or with any presentation software such as PowerPoint or Keynote.