PetSafe Electronic SmartKey Collar Key BirdFoodPetType_Macaw Walnut shells organically neutralize odor:

Walnut shells organically neutralize odor: Naturally Fresh makes their exclusive eco-friendly cat litter out of the fibrous material of the walnut shell due to its organic ability to eliminate odor better than clay litter and other natural litters

Dimensions: 46 cm L X 29 cm W X 37 cm H (18" x 11

HEALTHY IMMUNITY with Essential Antioxidants

The Transmitter communicates with your dog’s Receiver Collar and helps keep him in the designated area by first delivering a warning tone should he approach the containment perimeter

PetSafe Electronic SmartKey Collar Key BirdFoodPetType_Macaw Walnut shells organically neutralize odor:Online Only Item Replace a SmartKey or add more pets to your PetSafe Electronic SmartDoor. The SmartKey fits most collar ID tags and uses RFID technology to send a signal that locks and unlocks the door flap when it senses your pet. You can add up to 5 pets to your SmartDoor. Package includes 1 SmartKey and 1 battery (RFA 67). Trust PetSafe to help keep your pet healthy, safe and happy. Unlocks Door for Your Pet The SmartKey lets your pet come and go;