Your National Teleprompter Service. The success of your shoot is vitally important, so every teleprompter, presidential prompter, Interrotron and confidence monitor is delivered by a professional operator with laptop, and software. We are pleased to offer the first Interrotron Mark IV 4K units available in North America. It comes with Blackmagic 4K camera and quality lens in the director's unit. It can be easily swapped for virtually any high end camera. More 4K units are expected very soon. If you live outside these areas, we can ship an EyeDirect to you with an operational video.