General
The award-winning Electronic SmartDoor™ system (sold separately) recognizes the unique coded signal sent by the SmartKey™ tag on your pet's collar. It unlocks and then relocks the pet door automatically. Use a SmartKey for each of your outdoor pets.
For dogs and cats.
Up to five SmartKeys can be used with a single SmartDoor.
Fits conveniently on collars 3/4" wide or less. For larger collars, a key ring is provided to attach to the collar ring.
SmartKey measures 11/4" diameter x 1 3/8" high. Weighs only .64 ounces.
Uses included RFA-67 battery module.