... contents in different windows.4. Compatible multimedia file formats: MPEG1/2/4, AVI, RM,WMV,DAT, JPEG, BMP, PPT, WORD, EXCEL ... of rolling dirctions in horizontal or vertical could be adjusted).6. Support media contents combine by videos, pictures, flashes, marquee etc ... contents in these two screens. 37" dual screens LED backlight TFT LCD digital signage