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| Main Specifications |
| Product Description | Dell ST2220L - LCD display - TFT - 21.5" |
| Device Type | LCD display / TFT active matrix - WLED backlight |
| Dimensions (WxDxH) | 20.5 in x 8 in x 12.8 in |
| Weight | 9 lbs |
| Diagonal Size | 21.5" - widescreen |
| Viewable Size | 21.5" |
| Dot Pitch / Pixel Pitch | 0.248 mm |
| Max Resolution | 1920 x 1080 / 60 Hz |
| Video Format | 1080p (FullHD) |
| Color Support | 16.7 million colors |
| Image Aspect Ratio | 16:9 |
| Response Time | 5 ms |
| Image Brightness | 250 cd/m2 |
| Image Contrast Ratio | 8000000:1 (dynamic) |
| Digital Video Standard | Digital Visual Interface (DVI), High-Definition Multimedia Interface (HDMI) |
| Signal Input | HDMI, DVI-D, VGA |
| Microsoft Certification | Compatible with Windows 7 |
| Power | AC 120/230 V ( 50/60 Hz ) |
| Power Consumption Operational | 28 Watt |
| Environmental Standards | ENERGY STAR Qualified , EPEAT Silver |
| General | |
| Display Type | LCD display / TFT active matrix - WLED backlight |
| TFT Technology | TN |
| Width | 20.5 in |
| Depth | 8 in |
| Height | 12.8 in |
| Weight | 9 lbs |
| Display | |
| Diagonal Size | 21.5" - widescreen |
| Viewable Size | 21.5" |
| Dot Pitch / Pixel Pitch | 0.248 mm |
| Max Resolution | 1920 x 1080 / 60 Hz |
| Video Format | 1080p (FullHD) |
| Color Support | 16.7 million colors |
| Response Time | 5 ms |
| Controls / Adjustments | Tilt |
| Tilt Angle | 25 |
| Signal Input | HDMI, DVI-D, VGA |
| Features | HDCP, anti-glare, 72% (CIE 1931) color gamut, 82% (CIE 1976) color gamut |
| Image | |
| Image Aspect Ratio | 16:9 |
| Image Brightness | 250 cd/m2 |
| Image Contrast Ratio | 8000000:1 (dynamic) |
| Image Max H-View Angle | 170 |
| Image Max V-View Angle | 160 |
| Video Input | |
| Analog Video Signal | RGB |
| Digital Video Standard | Digital Visual Interface (DVI), High-Definition Multimedia Interface (HDMI) |
| Expansion / Connectivity | |
| Interfaces | 1 x VGA - 15 pin HD D-Sub (HD-15) 1 x DVI-D - 24 pin digital DVI 1 x HDMI - 19 pin HDMI Type A |
| Miscellaneous | |
| Cables Included | 1 x VGA cable |
| Features | Security lock slot (cable lock sold separately) |
| Compatible with Windows 7 | "Compatible with Windows 7" software and devices carry Microsoft’s assurance that these products have passed tests for compatibility and reliability with 32-bit and 64-bit Windows 7. |
| Power | |
| Form Factor | Internal |
| Voltage Required | AC 120/230 V ( 50/60 Hz ) |
| Power Consumption Operational | 28 Watt |
| Environmental Standards | |
| EPEAT Compliant | EPEAT Silver |
| ENERGY STAR Qualified | Yes |
| Environmental Parameters | |
| Min Operating Temperature | 32 °F |
| Max Operating Temperature | 104 °F |
| Humidity Range Operating | 10 - 80% |
