We have the one with the remote light sensor on a probe. The door is installed on the inside. We haven't had a problem with it. The sensitivity is adjustable and we tweeked it the first couple of days, to get the timing right for our needs.
It doesn't close on cloudy days or anything like that. It's really close to the house, but the door is facing away from the house. It doesn't open when our outside lights are on. We have the run covered next to the coop right now, but I don't think we did in the beginning. It gets some late afternoon shade at certain times of the year, too, although I don't think that makes any difference now that the run is partially covered. None of that has made the door close.