AUTOMATIC CLOSING & LOCKING DOOR: When the dog gate is open at less than 90°, the door automatically closes and locks. There's a red and green indicator to show if the door is locked or not.75-82CM ADJUSTABLE WIDTH: The pet gates for dog is suitable for different sized spaces, doors, corridors, staircases, etc.SOLID MATERIAL: This stair gate for dogs is made from white-coated steel for strength and durability.DIMENSIONS: 76H x 75-82Wcm. ALL SET UP ACCESSORIES INCLUDED.ASSEMBLY REQUIRED.