3M 1730 Overhead Projector

The 3M Overhead Projector Model 1730 is a wonderful choice for your next projector purchase. 2,200 lumens of light enhance your visuals even with the room's lights on for notetaking. Brightness: 2200 lumens. The closed doublet head on the Model 1730 is ideal for making your next presentation more professional. The closed head protects your lens and mirror and keeps your projector in great shape.