Protect the sensitive information on your screen while also protecting the screen itself from scratches & damage with the Kensington Privacy Screen for 15.4" Laptops. Great for airplanes & other close quarters at preventing prying eyes from seeing whats on your laptop screen. & its thin enough that it still allows your laptop to close & latch. Features Limits viewing angle +/- 30° while also protecting the screen from scratches & damage Easy to attach & removable, yet thin enough to allow your laptop computer to close Monitor screen proportions 16:10