Helps ensure the privacy of on-screen data on your notebook or LCD monitor. Microlouver technology creates a narrow viewing angle. Image is only visible to those directly in front of the screen side view is black. It also reduces glare, increases contrast and protects the delicate monitor surface from damage. Overlays monitor surface for a built-in look. Includes microfiber cleaning cloth. Diagonal Monitor Size: 30" Fits Device Type: LCD Frame Type: Frameless Maximum Antiglare Protection Percent: 90%.