FOR DOGS! The Automatic Electronic Pet Door. When a pet wearing the included ultrasonic collar comes within to (the distance is selected by owner) the pet door automatically opens to let the pet in or out. When the pet passes through the door, it cl
PetSafe Deluxe Patio Panels A dog door that you can put in your sliding glass doors! (you can still use the door too) This means even in my apt I wouldn't have to get up to let the dog in and out onto the balcony. Now if I could just afford it.