It's a drawing of a computer monitor or T.V. with a double ended arrow drawn inside of the screen. The arrow is pointing to the top right of the screen and to the bottom left of the screen as if to indicated the diagonal size of the screen.
This Widescreen icon is made in flat color style
. This format was developed by Icons8 designer team and became immensely popular for use in web and mobile applications. Feel free to download this icon in PNG format for free, or unlock other formats for $5. Unlike other icon packs that have merely hundreds of icons, this monster icon pack contains 5,900 icons, all in the same style and quality.