This is perfect on the outer wall of my office so that I can see who is coming and going without having to get up when I hear the front door of the office open and close.
I just bought 2 more of these. Our office is a large conference center with staff desks on one side. This allows people to walk around places during classes that we can't always have a staff person's eyes on. So.....we bought cameras and these two will make for three mirrors. As you know, bad guys look for surveillance devices - we believe this are a deterrent. Also, I like the oblong shape and they are on a pivot on the back so we can take a broom handle and adjust them easily. I highly recommend them.
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