Sangdo UC40 800x480 Mini LED Home Business Projector Support HD 1080p HDMI AV USB SD EU Support 1080P Full HD input the scale of screen is 4:3, the distance of projection is from 3.51ft to 12.48ft;Multi-function input: IP/IR/USB/SD/HDMI. 100% brand new and high quality; Picture switch form 16:9 and 4:3 Keystone correction supported LED lamp, works for over20000 hours, with vivid color and abundant details Completely sealed designed, high efciency ventilation design, largely upgraded the stability and life time