Brand New 24in Hanging Computer Privacy Blue Light Screen Protector for Wide Screens Privacy screen perfectly combines blue light film and anti-peep film. It limits the viewing angle to +/- 30 degrees, which can effectively protect your privacy while benefiting your eyesight and relieving eye fatigue. MATERIAL: The screen protector made of reinforced acrylic with excellent anti-scratch and anti-fingerprint technology so your screen is always clean. UNIVERSAL HANGING TYPE: Easily hangs from your screen so easy and quick to install & no residue glue! . TWO RATIOS: This 24in screen privacy/blue light cover offers two different ratios 16:9 / 16:10, which can easily adapt to various screen sizes. Choose according to your needs.