... resistance50604060Usagemobile phone,tablet,PDA,Notebook,PC,Digtal camera,GPS,PSPFeaturePreserve the high resolution and vivid colors of your LCD display Reduce ... by 90%Mirror effect when screen backlight off,the display vision increased as light on The viewable angle is 60 ... is no residue left when remove,washable and reusable high-quality ! anti-glare screen protector for samsuang galaxy s4 i9500