Projector Ceiling Mount for Optoma EH412 EH412ST GT1080HDR HD27H HD29HST HD39HDR | eBay
Amazon.com: Optoma EH412ST Short Throw 1080P HDR Professional Projector | Super Bright 4000 Lumens | Business Presentations, Classrooms, or Meeting Rooms | 15,000 hour lamp life | Speaker Built In | Portable : Electronics