1、Blue Light Blocking: The screen protector can filter harmful blue light with wavelengths between 380 and 420nm to protect your eyes, sleep and skin from the negative effects of excessive exposure to blue light. 2、UV Protection: The laptop screen protector also has the function of filtering out most of harmful UV rays, to help reduce eye strain and protect your skin and eyes. 3、PET Material: The anti blue light protector is made of PET material, can effectively prevent screen dust and scratches, having long service time. 4、Eyes Protection: The UV filter protector can protect your eyes, not worrying about eye strain, blurred vision and headaches, giving you better sleep, and protecting your health. 5、Easy to Install: The eye protection screen protector has a simple installation, removing the film on both sides after cleaning the display and sticking it on, suitable for students gamers and programmers for home and office.