3M MPro110 Projector: Pros

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• Extremely portable, smaller than a pack of cigarettes ("100's"), definitely "fits in a pocket"
• Simple to use, essentially plug and play
• Composite video input
• VGA input - so far, this is the first pico sized projector to offer one, and it performs reasonably well
• Battery good for about one hour of use between charges
• Relatively quick recharge (4 hours or less)
• Built in recessed screw thread for a standard tripod screw
• Good resolution for the class - 640x480, which you can appreciate, especially through the VGA input
• Long life LED light source, rated 20,000 hours - by the time you get through 20,000 hours (20 hours a week, for 20 years), you'll long since have replaced it with newer devices

3M MPro110 Projector: Cons

3M MPro110 Projector: Typical Capabilities (for this type of projector)

• Fixed lens - no zoom
• Brightness - at 8.8 lumens, the MPro isn't as bright as the Optoma, but but a slight bit brighter than the Aiptek
• Documentation - not bad, but typically "thin" on details
• Warranty - 90 days parts and labor - average, but some offer 1 year
• Phsyical size
• Weight