... vertical viewing angle, HT978 is most suitable and already applied in cash registers, kiosks, vending machines, process automation or control, ... 1x RCA Video InputRCA - Audio 1x Audio InputSpeakers 2x Built-in 1W Speakers at Front PanelFunction Keys Left(Vol+), Right(Vol ... disk 1pc Touch pen 1pc Operation manual 1pc Olink 7, 10, 12.1 inch Touch Display with HDMI, VGA, YPbPr & AV Inputs (HT978)