https://campustechnology.com/articles/2014/09/25/benq-introduces-mh630-projector.aspx
BenQ Unveils MH630 Projector -- Campus Technology
Supported by a 10,000:1 contrast ratio, the unit also offers full HD 1080p resolution and 3,000 ANSI lumens of brightness.
benqunveilsprojectorcampustechnology