Casio XJ-UT351WNBKT Ultra Short Throw No Lamps ProjectorCasios Ultra Short Throw LampFree projectors incorporate Laser & LED Technology to produce images of impressive brightness. They have a long lasting lifespan of up to 20,000 hours with reduced electricity consumption and no lamps or filters to replace. With their Ultra Short Throw lens, the XJUT351W and XJ UT351WN can project brilliant, crisp, shadow free images of up to 110 diagonal with a full assortment of connectivity and features. The built in