... touch monitor 3,use for pos system 4.competitive price 5.good quality be guaranteed 1,touch monitor 2011 new price2.touch monitor3,use for pos ... L/R) Signal inputRGB (AV/TV Optional)interfaceD-SUB (Video frequency /TV input Optional)Power inputAC input,100~240V,50~ ... to ensure the best quality music and picture, the system automatically adjusts the brightness, contrast, color saturation, sharpness and ...