PetSafe Magnetic 4-Way Lock Cat Flap

PetSafe's Magnetic 4-Way Lock Cat Flap gives cat's the key to their home. How It Works: This innovative cat flap uses magnets to protect the home from intrusion by strays. The magnetic key collar worn by the cat "unlocks" the flap so that only the owner's cat has access to the home. Features: Magnet collar key helps keep out strays; 1 collar with key included. 4-way lock: in only, out only, opened, locked. Weather resistant see-through rigid flap. Economical, easy to install. 6 1/ 4" x 5 1/ 2" flap opening. 1 Year Warranty