... LCD screen,LCD screen display 19",26" LCD Advertising Player with Touch Screen,Nice appearance.-CF,SD card/USB port -MPEG1/2/4,MP3,AVI,JPG -Touch Screen - Dual Panel ... same material at the same time or different materials separately.15. Build-in two speakers stereo, rated power is 2 ... inch Max. Brightness: 350cd/m2 14. Contrast Ratio: 500:1 15. Responsive Time: 8ms 16. 26 inch Max. Brightness: 400cd/ ...