It's a logo of HD 1080p reduced to an image with the numbers 1080 on it. The logo is enclosed by a square. It pretty much looks like the 1080p logo on most High definition televisions.
This HD 1080p icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 6,100 icons, all in the same style and quality.