Feature 1Designed for 24in Monitor: This desktop monitor protector is specially designed for 24 inches(547 x 340mm / 21.5 x 13.4in) PC monitor. 2Blue Ray Blocking: This screen protector panel can filter out harmful blue ray waves from 380 to 420nm UV. Protecting your eyes, sleeping and skin from the negative effects of overexposure to harmful lights. 3High Transparency: This PC monitor protector adopts premium acrylic material with high transparency, keeping scratches and dirt away from screen. 4Hanging Type: This widescreen monitor filter can be easily installed. Peel the protective film away from both sides, then hanging it on monitor. 5Eyestrain Relief: This PC monitor filter allows you to enjoy digital time without worries of eyestrain, blurred vision and headache. Better sleep quality will be ensured.Item Type: Screen Protector PanelMaterial: AcrylicApplication: For 24 inches(547x340mm/21.5x13.4in) PCMonitorInbuiltBatteryof Light: 30mAhWavelengths Filtration: 380 to 420nm BlueRay(Beneficial Light Won't be Filtered), 99% UV Blocking .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Screen Protector Panel1 x Tool Kit2 x Paster1 x BlueRayTesting Card1 x BlueRayLight