NEC MultiSync LCD2190UXp-BK 21.3-Inch 1000:1 16ms DVI Height-Adjustable LCD Monitor (Black) Real Time Clock has the ability to set schedules for on/off times 24/7 and can be set to warm up 30 minutes before use for optimum color representation Ambix technology provides the widest range of video compatibility by allowing three computers to be connected to a single monitor Integrated ergonomic handle allows for easy transport , Supports 12-bit internal programmable lookup tables (LUTs) for calibration AmbiBright ambient light sensor automatically adjusts the display's brightness based on lighting conditions ColorComp digital uniformity correction reduces screen uniformity errors and compensates for differences in color/grayscale and luminance across the entire screen. Quick release stand easily disengages from head for mounting applications NaViSet Administrator 2: Free software solution that greatly eases administration and management of larger display device installations Display Type: TFT LCD; Display Area: 21.3-inch; Display Colors: 16.7 Million; Pixel Pitch: 0.270 mm; Brightness: 300 cd/m2 Contrast Ratio: 1000:1; Viewing Angle (H/V): 178/178; Response Time: 16 ms; Max/Native Resolution: 1600 x 1200 Interface: Analog / Digital; Horizontal Frequency: Analog - 31.5 ~ 91.1 KHz; Digital - 31.5 ~ 99.4 KHz Vertical Frequency: 50 ~ 85 Hz; Power Consumption: On - 60W; Power Savings Mode - &lt;1W Speakers: None; Stand Functions: Height-adjustable Stand; Swivel