Amazon.com: Optoma W400LVe WXGA Professional Projector | 4000 Lumens for Lights-on Viewing | Presentations in Classrooms & Meeting Rooms | Up to 15,000 Hour Lamp Life | Speaker Built In : Everything Else
Optoma 4K400STx Bright 4K Short Throw Projector For Classrooms And Offices 4000 Lumens - Optoma Optoma-4K400STx