I ordered a pair of these for overhead on front and back doors. They arrived well packaged and in a timely manner. The installation instructions were fairly easy to follow and they were installed and "programmed" without too much challenge. I had very limited mounting space so these do fit but they are quite small and may be better suited as side mounts. Getting the correct (and small) bulbs has been the biggest challenge. I read and researched quite carefully and still not the wrong bulbs twice! Also, one is less "sensitive" than the other to movement. It may be because it is placed slightly higher from the ground. Again, I think this would be resolved if they were side mounted and not overhead. Nonetheless, I do like the features.