19', 1280 x 1024, 60Hz, 225nit, SAW (IntelliTouch Surface Acoustic Wave) - Single Touch, Standard Bezel, Dual serial/USB 2.0 The Elo 1990L 19-inch open-frame LCD touchscreen features a slim design & narrow outside dimensions due to the state-of-the-art, energy-saving LED backlight, using less electricity to operate & generating less heat Sealed against dirt, dust & liquids, which simplifies integration into the final enclosure Designed and built for the complete solution, with touch integrated from the start Using Elo touchscreens combined w/ Elo software & drivers, everything is designed to work together & is tested as part of Elo's life-testing processes All Elo products go through rigorous reliability testing (over 20 tests) to deliver 50,000 MTBF No Power Brick