... 4.VGA,HDMI,DVI LED backlight 8" open frame touch screen monitor Features:1. Any size ranging from 5" to 82 ... ", 46", 55", 65",70”,82” etc.2. Optional touchscreen: 4-wire/5-wire Resistive, Infrared, SAW, Capacitive, with RS232, USB, touchscreen interface ... / Industrial Automation/Medical Treatment LED backlight 8" open frame touch screen monitor