1.Anti-spy,viewing angls 60 degree 2.Anti-glare,.Anti-scratch 3.8.9"-21" 4.pink,white,blue,black 5.2-way & 4-way anti-spy privacy filter: Materail specification: 1. viewing angle:60 +/-8 degree2.Anti-glrare coating3.Anti-scratch coating, hardness coating 4H4.color: pink, white, blue, black.5,Types:180 degree anti-spy (anti-spy on the hirozontical direction); 360 degree anti-spy (anti-spy on the ...