Features: This integration laptop screen protector combines four essential protect physical anti glare privacy filter, blue light blocking technology, anti rays coating, and glare reduction for comprehensive eye care and data security. Featuring advanced tiny louver tiny technology, the privacy film completely black people out screen visibility beyond 60° side angles while maintaining perfect clear head on, ideal for sensitive document handling. Designed for frequent travelers, remote workers, and students who require in public spaces like coffee shops, airports, or open layout offices. The frameless hanging design with flexible plastic clips enables tool of fee installation on various widescreen laptops (13 17 inches), eliminating adhesive fee while ensuring full compatibility with most mainstream notebook models. Engineered with PMMA materials and nanometer coating , this anti blue light screen protector maintains clear while reducing 92% harmful blue light emissions and 99% rays radiation during extended computer use.<br/ Specifications: Materials: PMMA protect: Blue light + anti-peeping way: hanging Complete type: Smooth Package Includes: Acrylic computer anti-blue light/anti-peeping hanger board + plastic clasp note: Acrylic computer anti-blue light/anti-peeping hanger board + plastic clasp