The first time trap was set it worked great.Since then it seems like the rats know what it is.

Our chickens made a mess of their feed and the rats would come in at night to clean up the mess they left behind. So, we started keeping the bucket feeder on top of the Ratinator (daytime only) and so the chicken feed would land in the Ratinator. We have a ring camera in our coop, so we watched the rats every night (with the trap door propped open). Rats are so cautious and suspicious! It look ~a week before they even tried stepping into the thing! Then, they didn't seem to want to walk in. We watched the cameras carefully and realized that they had tunneled under the thing to get the feed without going in! So, we attached the tray that came with it to stop the food from going onto the ground. Finally, they had to go in to get the food. After a few days, they were going in. Then, we set the door. We got 4 rats that first night of it being set: 1 large adult and 3 juveniles. They stayed in there all day, waiting to be dispatched. We have not caught any since. This is one of many tools we have been using to knock down the rats at the coop and at this point there are not many. We had already had success with some snap traps and especially with dry ice (taking advantage of a snowstorm). If we had started with the Ratinator, maybe it would have been more effective for us, but we just seem to have some cautious stragglers now who will not go into the thing. I think this trap would be amazing for knocking down the numbers of a large, confident rat population. I don't know if it was worth the price for our problem though. Rats are just so freaking smart!

It works but need to constantly check as they figure out how to open quickly. Cannot leave it overnight.

It works. Caught 4 rats in my first attempt. Easy to use. Better than any other trap I have used.