This is the monitor you buy when money is the main factor or you physically need something small. It's 20 inches, which is laptop-sized, and the picture quality is basic — a TN panel means colors look washed out if you're not sitting dead center, and the 1600×900 resolution isn't sharp by modern standards. You'll see individual pixels if you lean in.
It refreshes 75 times per second, which is slightly smoother than the bare minimum for casual gaming, but the older panel technology means motion won't look crisp. Think of it as good enough for light games, web browsing, or as a second screen where you're mostly checking email or chat windows.
The main selling point is that it's cheap and it works. If you need something that fits a cramped desk or you're scraping together a PC setup on the smallest budget possible, this does the job without pretending to be anything more.