Use a second laptop as an extended monitor with Windows 10 wireless displays - Scott Hanselman's Blog
Duex Pro Portable Monitor (Upgraded 2.0 Version), The On-The-Go Dual-Screen Laptop Monitor, 12.5" Full HD IPS Display, USB A/Type-C, Plug and Play, Dual-Side Sliding, Sleek and Lightweight Design : Amazon.in: Baby Products
Best portable external monitors: Turn your laptop into a super workstation | Mashable