ALUMANI Cat Door for Door, Cat Door with Magnetic Flap, 4 Way Locking Pet Door for Cat

INGENIOUS DESIGN: When a cat needs to come in from the outside,it can use collar we provide to touch the outer frame at the bottom of the cat door.The door would unlock to let it in.
CONVENIENT PET DOOR: ALUMANI cat door has four switching models: only in,only out,open and lock(either way, entry the room requires our collar).
BUILT TO LAST: This magnetic cat door is made of ABS material for durability. It is resistant to claws and bites.It is also insulating and weatherproof.
SIZE: The frame size:9 1/4 x 11 1/2 inches(W x H) ;the flap opening size: 6 7/8 x 7 1/8 inches(W x H);the cut-out size:6 7/8 x 7 5/8 inches(W x H).It is suitable for a pet (at least 4 months old) up to 22 pounds.
EASY TO INSTALL: This cat door for interior and exterior door can be easily installed in doors made of wood,metal,glass and many other materials.