27 Inch PC Hanging Screen Protector UV Protection Eye Protection Easy to Install Blue Light Blocking Screen Protector Panel Item Type: 27 Inch PC Hanging Screen Protector Material: Acrylic Suitable For: 27inch (Approx. 612.6 x 356mm / 24.1 x 14in) PC Monitor Anti Peep: 30 Degrees Left and Right Unseen Light Built in Polymer Lithium Battery: 30mAh Compatible: Perfectly Compatible with for HP, for Dell, for Asus and Other Monitor Brands. Filter Wavelength: 380-420nm Blue Light (Not Filter Beneficial Light), UV 99% Protection Features: 1. Very Easy to Install, After Cleaning the Monitor Just Remove the Film on Both Sides of the Computer Screen Blue Light Blocker. Hang the Protector on the Monitor. No Paste, No Air Bubbles. Can Also Be Removed at Any Time and Hung on Other Computers e. 2. Prevent Eye Fatigue, CVS, Chronic Eye Damage, Eye Strain, Soreness and More Serious Eye Related Diseases