The lowest cost iPad and tablet prompter on the planet!!! All Steel construction…no plastic here! The iP-1 features an extra large beamsplitter mirror (15.5” x 12.5”) to allow wide studio shooting and is compatible with HD format lens. The high end beamsplitter mirror is all glass, not plastic! Mounting brackets are all steel baked on powder- coat finish.” Light- tight “design will not let light from the rear of the monitor enter the mirror area. No counterweight needed regardless of what camera is used…. Perfect balance every time. Weighs just 12 pounds.