I need a quality product to make professional presentation . I be not work so I need something that I could purchase that would not break I but that would show my potential client that I mean business . this product be it . I research for month and read a little over 50 review and go with this projector . it exceed my expectation . I even use it for a 3 day weekend seminar for over 500 people . she run great and have a clear picture in a light hotel conference room . I be utterly satisfied thus far . I have be use it for 6 month now .