At Woot, get this Anyking S15 Plus 15.6" 1080p IPS Portable Laptop Screen Extender for $110. It's the best price we could find by $107.

The 15.6" screen mounts above a laptop display to add a second screen without taking up desk space. Shipping is free for Prime members.

Buy Now at Woot! An Amazon Company

Features 15.6" Full HD 1920x1080 IPS display 300 nits brightness, 60Hz refresh rate Fits 13" to 17.3" laptops Connects by USB-C or HDMI plus USB power 0.22" thin aluminum body, about 2 lb. Works w/ Windows, macOS, Android, Linux, & Chrome OS