Love, love, love them! If you look at my "My Coop" page, I go into more detail but long story short, I have the Pullet Shut door and wouldn't want to be without it. It was a big investment - the single most expensive part of my coop - but worth every penny for the peace of mind, and the ability to go out of town for a couple of days and leave them to take care of themselves. Our longest trip was 5 days, and though the eggs built up while we were gone, I was able to leave out enough food and water for that amount of time, and knew that they were out foraging in their yard during the day, and tucked up safe at night. Although I have electric at my coop, I opted for the solar panel to charge it - that way I don't have to worry about it not opening or closing if there is a power outage. Also, I got the light sensor so I don't have to adjust the open/close times throughout the year as the light changes - it senses the light and adjusts accordingly.