Details
Synvy Anti Blue Light Tempered Glass Screen Protector, Compatible with Dell Alienware m15 R2 15.6" 9H Screen Film Protectors (Active Area Cover Only)

It only covers the visible area of the screen.
In the era of smart phones, people spend more time staring at mobile phone screens. However, mobile phone screens, LED's, and computer screen lights all generate a lot of blue light. This can cause harm to people's eyes and hands, and it can stimulate brown pigments and make skin. Produce yellow spots and freckles will deepen the degree of myopia, resulting in visual fatigue, but also not conducive to normal sleep.
★[Anti Blue Light] Anti-blue screen protector can greatly reduce the blue light on the eye irritation,Relieve the fatigue of eyes， control myopia deepening, but also through the absorption and conversion of ultraviolet light to prevent ultraviolet radiation caused by dry skin caused by skin reflection, melasma and other issues.
★[Scratch Resistant] This Anti Blue Light Screen Protector can effectively protect your phone from unwanted scuffs and scratches by knife, keys and some other hard substances.
★[Easy installation] Made from the 4H Hardness Tempered-Glass with 100% Bubble-Free Adhesives for easy installation and no residue when removed.