I have had this doorbell for just under 2 months, and my dog has JUST figured out how to use it. She would hit the button on command, pretty much every time, but was just not understanding that she needed to hit it on her own. A few days back she suddenly hit the outside button on her own, we praised the crap out of her, and since then she has used it every time she wants to come in. I am glad we didn't give up on these, we just need to get her using the inside one to be let out.I knocked down oSee full review