Brookstone Pocket Projector Pro-200 Lumens LED lamp projects images up to 100" diagonal and lasts up to 20,000 hours Portablejust 4.8"l x 4.75"w x 1"h 1280 x 800 HD video output (accepts up to 1080p HD input) 2 built-in speakers, adjustable focus *IMPORTANT: Apple devices require an Apple Digital AV adapter (sold separately) for HDMI use.