ViewSonic TD2430 Black 23.6 Projected Capacitive (10 touch point) Touchscreen Monitor 250 cd/m2 DC 50,000,000:1 (3,000:1) Built-in Speakers Recommended Resolution: 1920 x 1080 Brightness: 250 cd/m2 Contrast Ratio: DC 50,000,000:1 (3,000:1) Response Time: 25ms (GTG) Input Video Compatibility: Analog RGB, Digital Connectors: D-Sub, HDMI1.4, DisplayPort, USB3.0 Type A, USB3.0 Type B D-Sub: 1 Built-in Speakers: 2 x 2.5W