Lentek Koolatron Pet Chime Pet Doorbell- $21.97
Tired of your pet scratching the door, barking, or howling when he wants to come inside? Want to teach your pet to tell you when they are ready to go outside? Pet Chime is a portable, wireless electronic doorbell that allows pets to tell you when they need to come in or go out.
Hmm.... we could get used to that...we want to go out and play *ding dong* we have to go potty *ding dong* we're bored and it's 2 am and our people are sleeping *ding dong*.... yes, it has potential.