It does what it’s supposed to, but it could be built better. If there is any movement of either the dog door panel or the slider it can get mashed, thus the reason for the purchase. Investigating how to eliminate the movement in the dog door panel in the track.

They work.

I haven't used it yet. I had hoped our 17 year old dog would be able to use the power pet door but she can't even walk down the ramp I made. I removed the door for now but will reinstall it when we get a new dog after this one passes.