PetSafe NEVER RUST Electronic Pet Door – Automatic Dog and Cat Door – For Large Pets – Pets up to 100 lb Price: $155.46 (as of 04/09/2023 20:55 PST- Details) & FREE Shipping.

CUSTOMIZE YOUR PET’S ACCESS: The SmartDoor features programmable selective entry, exit and auto-locking options
PEACE OF MIND: The SmartDoor works with the waterproof SmartKey worn on your pet’s collar; only the pets wearing the SmartKey can go in and out
MULTIPLE PETS: Great for households with multiple pets; programmable for up to 5 SmartKeys