ViewSonic M1, Ultra-Portable LED Projector
https://www.storeboard.com/blogs/general/viewsonic-introduces-the-compact-and-ultraportable-m1/1491578
Detailed Notes on Viewsonic Mini Projector M1 Led in an Easy to Follow Order The Essentials of Viewsonic Mini Projector M1 Led You Can Learn From Beginning Today As you will rarely apply your projector