Viewsonic TD2210 22" LCD Touchscreen Monitor - 16:9 - 5 ms - 22" Class - Resistive - 1920 x 1080 - Full HD - 16.7 Million Colors - 20,000,000:1 - 350 Nit - WLED Backlight - Speakers - DVI - USB - VGA - Black - ENERGY STAR 7.0, EPEAT Silver - 3 Year
Viewsonic TD2223 22" LCD Touchscreen Monitor - 16:9 - 5 ms GTG - 22" Class - Infrared - 10 Point(s) Multi-touch Screen - 1920 x 1080 - Full HD - Twisted nematic (TN) - 16.7 Million Colors - 250 Nit - LED Backlight - Speakers - DVI - HDMI - USB - VGA - 1 x HDMI In - Black - cTUVus, EPEAT Silver - 3 Year - USB Hub
Viewsonic TD2421 24" LCD Touchscreen Monitor - 16:9 - 5 ms - 24" Class - OpticalMulti-touch Screen - 1920 x 1080 - Full HD - 16.7 Million Colors - 50,000,000:1 - 250 Nit - LED Backlight - Speakers - DVI - HDMI - USB - VGA - Black - EPEAT Silver - 3 Year