The SmallHD ACC-SP-ACR-AR-4K-24V is their high-end anti-reflective 24-inch acrylic screen protector. It adds protection to your monitor from scratches and impacts while also not degrading the image quality in any noticeable way. You can leave this screen protector on the entire time you are using the monitor. It is easy to add/remove to the Vision 24 monitor and locks into place.