Elmo 1917 BOXi T-350 Mobile Projector, 300 Lumens, Aspect Ratio 16:10, Manual Focus, HDMI Compatible, Compact Size, LED Lifetime of 20000 Hours, Black Specially developed LED optical engine provides true color reproduction, creating a superior high speed video experience Project a 50" image with only 3.3' of throw distance allowing for high flexibility for both business presentation and home theatre applications Quiet engineering of BOXi allows for important meeting and presentations to be conducted without disruption Can project an image only seven seconds after powering on With a life of 20000 hours, the LED lamp can be run for eight hours a day for 2500 days (approx 6.8 years)