ViewSonic TD2220 Black 22 USB Optical Multi-Touch Full HD LED backlit monitor 200 cd/m2 1000:1 Built-in Speakers Recommended Resolution: 1920 x 1080 Brightness: 200 cd/m2 Contrast Ratio: 1000:1 Response Time: 5ms Input Video Compatibility: Analog RGB, Digital Connectors: D-Sub, DVI D-Sub: 1 DVI: 1
