Other cat easily took off the sides and opened the lid to eat the food. Its easy for him to knock over as well because the bottom piece is not locked into place, which would stabilize it. There is no locking mechanism for the sides or the bottom (which is the sensor). When using the app I can set a schedule, but it turns off every single day so I have to turn it back on. The food also gets stuck at the bottoms of the chute on its way down because the chute doesn’t have enough of a decline. I would absolute not buy this