Product review (1 stars): So disappointed
I read the reviews and I just don't get it. One person mentioned that it came with a how to video--there was no video.

This was difficult to work.  The directions should have been clearer as you need to switch between being inside and outside. You need at least 2 people to operate --one inside and one outside. We were not able to  navigate the wire through the vents/pipes. After about an hour of trying we gave up.