4K400STx Bright, True 4K UHD short throw projector for classrooms and meeting spaces | Optoma USA
InFocus IN138HDST - DLP projector - 3D - 4000 lumens - Full HD (1920 x 1080) - 16:9 - 1080p - short-throw fixed lens | Walmart Canada
Optoma launches first 1080p ultra short throw projector | Optoma United Kingdom
Optoma ZH420UST-B 1080p Laser Multimedia Projector with 4000 Lumens
DLP Epson Ultra Short Throw Projector (685wi), Brightness: 4000 Lumens
PC-Canada.com
Optoma EH412STx Short Throw 1080p HDR Professional Projector | Super Bright 4,000 Lumens | Business Presentations, Classrooms, and Meeting Rooms | 15,000 Hour Lamp Life | Speaker Built in | Portable : Amazon.ca: Electronics