The PetSafe Electronic Dog SmartDoor allows your pet come and go freely yet keeping unwanted animals out of your home. This electronic pet door works by unlocking as your dog or cat nears the door and then immediately re-locks after the pet has entered or exited.

The PetSafe SmartDoor SmartKey is for use with the automatic SmartDoor or Smart Pet Doorbell. This SmartKey is extremely lightweight so that even the small dogs can wear it. The SmartKey is only 1 ¼ inch tall and 1 inch wide. It weighs .7 ounces.

The perfect installation accessory to make the installation of your Petsafe Pet Door quicker, easier and better

PetSafe’s Electronic Dog SmartDoor allows you control your pet's coming and going without the hassle of having to constantly open and close your door. The electronic dog door simply unlocks whenever your pet nears the door and automatically re-locks after the pet has entered or exited. The range on the Electronic Dog SmartDoor is adjustable up to three feet.