ViewSonic TD2223-2 LED Monitor 21.5" Touch 50Hz

The ViewSonic TD2223-2 is a 22-inch (21.5" viewable) Full HD infrared (IR) touch monitor designed for versatile multi-touch interaction in environments like kiosks or retail settings. Contrary to the 50Hz mentioned in your query, official specifications state it supports refresh rates up to 75Hz.

Key Specifications
Touch Technology: Features an Infrared (IR) 10-point multi-touch screen that is compatible with fingers, styluses, and even gloved hands.
Display Panel: Uses VA technology providing a high 3,000:1 static contrast ratio and wide 178° viewing angles for clear, deep visuals.
Resolution & Refresh: Delivers Full HD 1920x1080 resolution with a standard 75Hz refresh rate.
Durability: Built with a 7H hardness scratch-resistant screen to withstand high-traffic public use.
Connectivity: Equipped with multiple input options including HDMI 1.4, VGA, and DVI-D, plus two USB 2.0 Type-A ports.