Small dog door, 4-way lockable pet door

Features:1.Let your cat pass through any interior door.
2.Give your cat the freedom to come and go as it pleases with this cat flap featuring a 4-position locking system.
3.Also suitable for small dogs.
4.The double flap provides a weatherproof and labor-saving seal, and a sliding closure panel adds extra insulation when your pet isn't using it.
5.This DIY project installs easily in all types of interior and exterior walls.
Specifications:Features:
Let your cat pass through any interior door
Give your cat the freedom to come and go as it pleases with this cat flap featuring a 4-position locking system
Also suitable for small dogs

Specifications:
Color: White
Material: Plastic
Size M: Exterior Dimensions: approx.20 x 19 x 5.5 cm / 7.9 x 7.5 x 2.2 inches
Interior Dimensions: approx. 16 x 15.7 cm / 6.3 x 6.2 inches
4 ways to control entry and exit:
1. The door is locked on both sides
2. The flap is fully open and the cat can come and go freely
3. The cat can only enter from the outside, but cannot back out
4. The cat can exit but not return (other cats also prevent entry)
Surgery:
1. Remove the red button on the right and the blue button on the left to unlock the door.The cat can go out and search.
2.Remove the red button on the left and the blue button on the left; the cat can only enter but cannot exit.
3.Remove the red buttons on the left and the blue buttons on the right; the cat cannot enter or exit.
4.Remove the red button on the right and the blue button on the right; the cat can only enter and cannot go back out.
Package List:
1 cat flap (4 slots)