... ( 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, USB cable Hot Tags: usb mobile ... lcd monitor,KS10.4U, USB LCD Monitor For Windows http://www.ksaiandroidpos.com