This privacy screen is designed to fit the 13.5-inch Surface Book and Surface Laptop. Featuring touchscreen support and a bubble-free installation. The privacy shield effectively darkens the screen from the sides while providing a clear viewing angle of +/-30 degrees, offering a total visible area of 60 degrees. The privacy screen protector has an anti-glare matte finish for bright environments while protecting your screen from fingerprints and scratches. With a light transmittance of 57.5%, it balances visibility and privacy. The design allows for a hassle-free installation without interfering with top-mounted webcams, sensors, or closing the lid. Moreover, this privacy shield reduces the blue light emitted from the display by 40% - 51% in the 380nm - 480nm wavelength range, effectively reducing eye strain and enhancing visual comfort.