Does it seem like all you do is let the dog out & in? At SincerelyFido.com we're all pet owners & it sure seems that way to us! That's why we love the invention of the electronic dog door! Ahh - with the PetSafe electronic dog door, pets go in & out as they please and unwanted animals, like squirrels, stay outside where they belong. Not only do we carry an electronic dog door, we also carry magnetic cat doors, pet doorbells, wall mounted units, units for patio doors, interior or exterior doors, cat doors, & dog doors. Accessories too such as: a universal installation kit by PetSafe Pet Doors, extra electronic dog door keys, and magnetic keys for cat doors. Staywell and Petsafe Pet Doors come in a variety of sizes & colors to suit your needs.