... Support television signal input4)Support various of voice frequency input5)Good voice frequency processor and loudspeakerParametersDisplayscreen size19"Aspect Ratio 16:09Resolution 1366* ... as "GRT") is specialized in researching, developing, designing, manufacturing and selling GPS,LCD, LCD TV, LED-LCD TV, 3D TV ... ,IP TV,monitor ,and relevant products. 14"15"17"17.3"19"21.5 ...