It is so easy to build your own teleprompter from whatever leftovers you have, for example, a 4:3 LCD display. By the way 4:3 is way better than 16.9 because of the narrower line and this way your eyes won't be moving left-right so visible. :)

This part is about the hinges that mount the mirror on the dispay.

For the frame you either make one to suit your needs or look at my next post to find the mirror frame.