21.5" 16:9 Privacy Screen filter anti-spy film privacy anti-spy protector filter for PC Computer Monitor

Size: 476.6x268mm(18.76inchx10.55inch)
3-5mm difference is allowed and Acceptable, do not affect use.
Parameter:
2.4H Anti-scratch
3.Transmittance 75%
4.Anti-spy Angle 60°:30°left  view,30°right view
5,Anti-Reflection with matte coat

Product Description
Keeps your personal or confidential information safe from prying eyes.
You\'ll see the information on your display while people on either side
only see a darkened screen
Includes your choice of two easy-to-use attachment methods
Reversible, matte side reduces glare and reflections
Lightweight, thin, frameless design.
Protects display from dirt, debris and scratches
Cleans easily with a soft cloth and water