Sceptre E205W-1600 20" 75Hz Ultra Thin LED Monitor HDMI VGA Build-in Speakers, Metallic Black (2018 version) True 16:9 Resolution 1600 x 900 High Contrast Ratio: 5,000,000: 1.20 inches LED HD+Monitor (19.5 inches Diagonal corner to corner). Dimensions With Stand (Inches) 18.01 x 7.02 x13.57 (inches). Without stand (inch) 18.01 x 1.32 x 10.43(inches) HDMI, DVI or VGA Input. Power Range :100  240 VAC, 50/60 Hz, 1.1A (Max.) Build in dual Speakers. Signal compatibility : Digital Signal Frequency 30  80 kHz (Horizontal) / 60  75 kHz (Vertical) VESA Wall Mount Ready. OS Compatibility- Windows 10, Windows 8, Windows 7, macOS High Sierra, macOS Sierra, OS X El Capitan