300 lm - Contrast Ratio 10,000:1- WXGA 1,280x800 Lens F=2.0 f=9.05mm LED light lifetime Maximum 20,000 hours(standard) Project distance/Screen size 0.5m-1.3m/25-68inch HDMI input - 480i/p, 576i/p, 720p, 1080i/p. Supported HDCP Weight-1.1lbs - Speaker output Built-in speaker(1W) monaural AC adapter 100240V, 5060Hz Dimension Weight External dimensions 132mmx143mmx43mm BOXi T-350 is a versatile mobile projector designed for an extensive range of personal and business applications. Successfully combining function with style,BOXi T-350 becomes one of the most attractive andhighest quality mobile projectors currently on the market. BOXi"s 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 distanceallowing for high flexibility for both business presentation and home theatre applications Weighing only 1.1 lbs and as compact as a lunch box at 5.2"x 5.6"x 1.7". BOXi T-350 can easily be carried in a lunch box or totebag The quiet engineering of BOXi allows for important meeting and presentations to be conducted without disruption With a life of 20,000 hours, the LED lamp can be run for eight hours a day for 2,500 days (approx. 6.8 years). It"s great as an industrial display aswell.