Viewsonic TD2420 24" LED LCD Touchscreen Monitor - 5 ms - Optical - Multi-touch Screen - 1920 x 1080 - Full HD - Adjustable Display Angle - 1,000:1 - 200 Nit - Speakers - DVI - HDMI - USB - VGA - RoHS, WEEE, EPEAT Silver, ENERGY STAR, China Energy Label (CEL), TCO Certified Displays 5.2, ErP - 3 Year