Thanks to this filter, only the person in front of the screen can see the data displayed. The technology used allows to darken the pictures and text on the screen, avoiding visibility to neighbors. The non-vision angle is 30°. Protects your LCD screen from scratches and fingerprints. Reduces glare for a better sight comfort. Enhances contrasts. Insures clear and not deformed picture. Anti radiation model, blocking up to 99% of the radiations ELF/VLF e-field, antistatic. Anti-glare norm: AOA. Aspect Ratio: 4:3 Aspect Ratio: 4:3 Product Type: Screen Protector Device Supported: Notebook Product Type: Screen Protector Device Supported: Notebook Manufacturer Part Number: SSP55UF Durability: Scratch Protection Durability: Glare Resistant Durability: Fingerprint Resistant Manufacturer: Urban Factory Product Name: Secret Screen Protector Product Line: Secret Brand Name: Urban Factory Brand Name: Urban Factory Display Type Supported: LCD Display Size Supported: 14.1 Product Family: Secret Display Type Supported: LCD Display Size Supported: 14.1