The Lenovo ThinkVision T23d-10 is a superior monitor that is meant to take your efficiency to new heights. With the vivid 22.5 inch display and versatile connectivity options, the ThinkVision T23d-10 lets you perform to your full potential. Basic Aspect Ratio: 16:10 Backlight Technology: WLED Colour Support: 16.7 Million Colours Colour: Raven Black DisplayPort: Yes Energy Star: Yes Environmental Certification: EPEAT Gold RoHS,TCO Certified Displays 7.0, TCO Certified Edge Displays 2.WEEE Environmentally Friendly: Yes HDMI: Yes Maximum Resolution: 1920 x 1200 Number of Screens: 1 Response Time: 4 ms GTG Screen Mode: WUXGA VESA Mount Compatible: Yes VGA: Yes Viewable Screen Size: 57.2 cm (22.5") General Information Manufacturer Part Number: 61C3MAR6AU Product Model: T23d-10 Interfaces/Ports DisplayPort: Yes HDMI: Yes VGA: Yes Colour: Raven Black Depth with Stand: 251.90 mm Depth: 43.4 mm Height with Stand: 491.90 mm Height: 326.5 mm VESA Mount Compatible: Yes Weight (Approximate): 2.87 kg Weight with Stand (Approximate): 4.85 kg Width with Stand: 501.20 mm Width: 501.2 mm Aspect Ratio: 16:10 Backlight Technology: WLED Number of Screens: 1 Pixel Pitch: 0.25 mm Response Time: 4 ms GTG Screen Mode: WUXGA Screen Size Class: 571.50 mm Viewable Screen Size: 57.2 cm (22.5") Video Color Gamut: 72% NTSC (CIE 1931) Colour Support: 16.7 Million Colours Dynamic Contrast Ratio: 3,000,000:1 Maximum Resolution: 1920 x 1200 Native Contrast Ratio: 1,000:1