The StarTech 23.8" Monitor Privacy Screen Filter is a great investment if you want to protect your privacy. It is a convenient and cost-effective way to keep your classified information, intellectual property or any other important data you wish to keep protected. You can have a peace of mind while working in the office or public environments because you know your screen is protected with the plus/minus 30-degree privacy viewing angle. The monitor privacy screen is easy to attach and remove. Simply attach the 23.8" privacy screen to your 16:9 aspect ratio display using the attachment strips or slide-mount tabs.