Product Description : 21.5" All-in-one touch PC Display screen : TFT LCD Aspect Ratio:16:9 Max. Resolution: 1080P Pixel pitch 0.1165*0.3495mm Contrast Ratio: 2000:1 Brightness:350nits Max Display Color:16.7M Default OSD Language: English Built-in Hi-Fi speaker: 2*8O3W Power supply input: 110~240V 50HZ/60HZ Rated Power Consumption