Document cameras (also Visual Presenters) are typically used to enhance the basic functions of an overhead projector.

Teachers use these devices to display not only transparencies, but documents, 3-D objects, microscopic images, moving objects, x-rays, slides, and more.

• Encourage students' critical thought processes requiring synthesis of knowledge by providing them a way to answer questions.
• Take the fear out of getting an answer wrong and facing peer pressure.
• Encourage student preparation prior to class.
• Quickly determine whether homework or reading assignments have been completed before the class.
• Improve teacher understanding of students' comprehension of curriculum.
• Raises level of student engagement in the classroom.
• Provide educators with the ability to customize instruction based on student responses.
• Track student progress toward academic standards.