Screen size : 9.7" Resolution: 1024*768 Brightness :300nit The size of display: 196.608(H)x147.456(V) Contrast :800:1 Pixel distance(mm):0.192 X 0.192 display colour :262k Viewing angle :178°(H) 178°(V)； Response time : 25ms display mode :VGA 720 x 400 ( 70Hz)VGA 640 x 480 ( 60 / 72 / 75 Hz) SVGA 800 x 600 ( 60 / 72 / 75 Hz) XGA 1024x768( 60/72/75Hz)； Built-in speaker : optional Buttons/mounting holes: Power ,UP,Down,confirm,Menu 75*75mm； Input interface :VGA interface, simulation, R,G,BDVI,HDMI,etc Accessory : power adapter video signal cable http://www.ksaiandroidpos.com