Best_buy via Ebay offers ASUS - ZenScreen 15.6Portable Monitor (USB) - Dark Gray for $169.99 (orig. $199.99) with free shipping.

Product Description:
1920 x 1080 resolution (Full HD) 5 ms response time USB input 178° horizontal and vertical viewing angles
Boost your productivity with this ASUS 15.6-inch ZenScreen portable monitor. The 178-degree viewing angle provides consistent picture quality, while the anti-glare coating helps reduce eye strain and increase visibility. This flicker-free ASUS 15.6-inch ZenScreen portable monitor features a USB-C port that can connect to various devices, and the Full HD panel produces stunning visuals.