you may end up with a pair of glasses in which the top of the lens is geared towards the distance to your monitor and the bottom towards the reading distance of your keyboard. the tour lasts 30 minutes and includes interesting and funny commentary. we will discuss further in follow up. i no longer relate to any of it. so, this morning i hunted around and right on the deck in easy reach of the camera, what to my wondering eyes should appear, but a lovely single bloom. can’t wait to try it out…thanks! receivers can also be connected in daisy chain. 