Automatic closing door: when the opening angle is less than 90 °, the pet gate will shut on its own, and when it goes over 90° (the door won't close when its angle is less than 15°), the door will remain open for more convenience Easy to use: lift the door with a single hand, whilst sliding the two buttons to open, includes two rotatable locks on the bottom for extra security of this dog stair gate Cat door: featured at the bottom, the puppy gate keeps the dogs out, but allows smaller pets can still pass through, providing a secure separation Steel frame: strong and solid structure, this dog barrier keeps its shape when in use, the pet gates for dogs are suitable for doorways, hallways, staircases etc Product information: with adjusting screws: 104.1h x 74-80wcm, the width is 74-80cm, ensure you measure your opening before purchasing, assembly required. note: it's normal for the door lock to have a large gap before installation tighten both sides until the hole is 2-3 mm