Specifications are provided by the manufacturer. Refer to the manufacturer for additional explanations. Audio Speakers: No Basic Aspect Ratio: 16:9 Built-in Devices: USB Hub Product Type: LCD Monitor Contrast Ratio: 10,000,000:1 Response Time: 5 ms GTG Speakers: No Colour: Space Silver Black Pearl Brightness: 250 cd/m² Colour Supported: 16.7 Million Colours Viewable Screen Size: 54.6 cm (21.5") Maximum Resolution: 1920 x 1080 Brand Name: HP Screen Mode: Full HD Number of Screens: 1 Environmentally Friendly: Yes USB: Yes HDMI: Yes Backlight Technology: WLED VESA Mount Compatible: Yes Operating Power Consumption: 30 W VGA: Yes DisplayPort: Yes Product Family: Z Built-in Devices Built-in Devices: USB Hub General Information Product Type: LCD Monitor Manufacturer Website Address: http://www.hp.com Manufacturer: HP Inc. Product Model: Z22n G2 Product Name: Z22n G2 21.5-inch Display Product Series: Z Brand Name: HP Interfaces/Ports USB: Yes HDMI: Yes VGA: Yes DisplayPort: Yes Miscellaneous Environmentally Friendly: Yes Physical Characteristics Colour: Black Pearl Space Silver VESA Mount Compatible: Yes Power Description Operating Power Consumption: 30 W Standby Power Consumption: 500 mW Technical Information Aspect Ratio: 16:9 Pixel Pitch: 0.25 mm Response Time: 5 ms GTG Viewable Screen Size: 54.6 cm (21.5") Screen Mode: Full HD Number of Screens: 1 Backlight Technology: WLED Panel Technology: In-plane Switching (IPS) Technology Adjustable Stand Height: Yes Screen Size Class: 558.80 mm Video Contrast Ratio: 10,000,000:1 Brightness: 250 cd/m² Colour Supported: 16.7 Million Colours Maximum Resolution: 1920 x 1080