Petsafe Electronic Smart Dog Door is a modern solution for pet owners seeking convenience and security for their canine companions. Designed with a locking flap door mechanism, it ensures that your small-sized dog can enter and exit the house with ease while keeping unwanted animals at bay. Crafted from durable plastic, this locking flap door is built to withstand the daily rigors of pet use. The model PPA11-10709 is equipped with a smart key feature that adds an extra layer of security, allowing you to control your dog's movements with ease. Whether you're looking to limit your pet's access to certain areas or simply want to ensure your dog stays safe at home, this Petsafe Electronic Smart Dog Door offers a blend of functionality and peace of mind. Please note this appears new in box but box is open. The Smart Key is missing.