1720 3m Overhead Projector 2200 Lumens Closed Singlet Lens 10' Power Cord.

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Model 1720 Overhead Projector by 3M features a closed singlet projection head with 11 1/2" of focal length. Boasting 2200 lumens, it projects a bright and clear 10x10' image, perfect for use in classrooms. Includes safety features such as a safety lamp interrupt switch, and lamp thermal protection circut. Includes a 10 foot power cord.

• Articulating closed singlet projection head for clear images throughout the tilt range
• Closed projection head to protect the mirror to keep dust away from the optical surfaces
• 2,500 lumens of light can enhance your visuals even when the room lights on for note-taking
• In-ciruit resistor to extend lamp life
• 10"x10" staging area gives you room to maximize your message
• Ten-foot power cord and tangle-free cord storage
• Three-year parts and labor warranty for peace of mind

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