Beam Splitter Ratio: 70/30 Beam Splitter Dimensions: 7.9"x7.9" (200mm x 200mm) Tripod Mounting Threads: 1/4"-20, 3/8"-16 Teleprompter app not included Tablet teleprompter accommodates any smartphone or tablet up to 10.5"x 7.5". Compatible with iPad Air, iPad Mini, and original iPad (all generations).