Targus 4Vu Privacy Filter Screen for 30-Inch Widescreen (16:10 Ratio) Monitors (ASF30WUSZ) Designed to fit 30 inch widescreen monitors Use clear adhesive strips to Stick the screen to your LCD or use the included Tab guides that Stick to the edge of the LCD screen Protects valuable information by narrowing the viewing angle; onlookers see only a dark screen instead of sensitive information Blocks the glare to help reduce eye strain Highly portable and Easy to use Limited warranty does not cover products purchased from 3rd party sellers Designed to fit 30 widescreen LCD monitor Privacy Filter Protects valuable information by narrowing the viewing angle; onlookers see only a dark screen instead of sensitive information Use included adhesive strips to stick the screen to your LCD or use the included tabs that stick to the outsize frame of the LCD screen