Blue Light Screen Protector Panel For 26&quot;/27&quot;/28&quot; Diagonal LED PC Monitor (W 24.80&quot; X H 15.55&quot;) (W630mm x 395mm). Blue Light Blocking up to 100% of Hazardous HEV Blue Light from LED screens. Reduces Digital Eye Strain to benefit eye health. For office or home PC's to promote Healthy Eyes for Working People. For 26&quot;-28&quot; diagonal screen.