Give you pet a "key" to the house.

Grant him exclusive access to your home, locking out unwanted visitors. Our award-winning Smart Door recognizes the SmartKey tag on your pet's collar and unlocks the pet door. After your pet has passed through, it re-locks automatically. Additional keys available for other pets

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Features
Approximate dimensions 17" x 27".
Unlocks as your pet nears; re-locks automatically after pet enters or exits.
Sensing range adjustable up to 3 feet.
Plexiglas flap with locks in both directions.
System can identify up to 5 SmartKeys (1 key included; additional keys sold separately).
3 easy-to-set entry modes: locked, unlocked, and automatic access.
Energy efficient, weather-resistant seal and insulated flap.
Uses 4 D-cell batteries (not included).
Fits thicknesses 1-1/2 to 2-inch.
Limited Lifetime Warranty.