LS550WHE 3,000 ANSI Lumens WXGA Short Throw LED Business/Education Projector 3rd generation LED technology with 30,000 hour lifespan 3,000 ANSI Lumens offering bright images in any environment Instant power on/off for efficient use 0.49 short throw ratio for minimal space consumption 360° projection and H/V keystone for easy installation Comprehensive LAN control for efficient management