The 3M 2000 Portable Overhead Projector in Hard Grey Case is a high-quality LCD projector with a brightness of 2000 ANSI Lumens and a contrast ratio of 150:1. With a native resolution of 800 x 600, this unit is perfect for overhead projection in business, office, and industrial settings. The compact and portable design makes it easy to transport and use in various locations. Unfortunately, the projector is untested and requires a plug adapter for operation, but it still holds potential for those in need of a reliable overhead projector for their presentations and meetings.