ViewSonic VG1932WM-LED 19- Inch Wide WLED LCD monitor- Black Dynamic contrast ratio at 10,000,000:1 you get a true-to-life picture depth and clarity in any room Backlight WLED automatically detects image signal and intelligently controls backlight brightness making the black Automatically adjusts gray level and enhances the LCD monitors gray level performance range Perfect for office applications, multimedia applications, internet browsing and anyone who wants to reduce their energy bills Uses 50% less power without compromising your viewing quality and has ecofriendly mercury free WLED backlight