The projector provides a good image, although it is much darker than that of the same design, a bit cheaper successor TH681. For the here even duplicate HDMI inputs are clearly "compatible" and work among others with wireless HDMI set as the BenQ own. The ceiling-mounted unit, I can say no also no excessive fan noise, but a significant heat generation. Is somewhat impractical, that the decrease in the protective cap to the lens front inevitably attracts the adopted mechanical settings for focus and image size affected and these are always re-adjust.
