The Goldfinger GF27H21W12 27-In. LED Monitor has a standard flange; no touch. LED screen: Screen Diagonal Dimension: 27”; Contrast Ratio: 3,000 : 1 (Typical); Number of Colors: 16.7 million colors; Power Consumption: less than 35 Watts. Video Input Options: VGA, CGA, DVI, & Displayport; Touch Screen Input Options: RS232 & USB. Touch Screen Accuracy: less than 3 mm; Touch Screen Life: at least 100 million inputs. Power Supply Input: A/C 110-240 at 50-60 HZ; Power Supply Output: D/C 12 V / 4A. Overall Dimensions: 25.4” x 15” x 2.0”.