This overhead projector can brighten up any mid-size room & make your presentations more memorable. With a 3000 lumen light output, this projector produces a clear, bright image even in the corners. The projector lamp can be adjusted to lower or brighten, & the open head lamp folds down for easy storage. Stage Size (W x H): 11 1/4 x 11 1/4; Brightness: 3,000 lm; Portable: No; Projection Type: Transmissive.