The Mobile Pixels DUEX Lite is a 12.5-inch HD display that you can take anywhere. Measuring just 0.39 inches thick, it s easily small enough to fit in your laptop bag. It provides crisp 1080p resolution, with ultra-fast video transmission for zero lag. It works with pretty much any device with a USB-C output, and you can get it today for just $314 at BleepingComputer.com. You can also upgrade to the larger 13.3-inch DUEX Plus for $339.
Source: https://www.bleepingcomputer.com/offer/deals/this-portable-125-hd-display-makes-a-perfect-second-screen-on-the-go/