Adjustable width: With included extensions, this dog gate fits openings of 74–80, 91.5–97.5, 94–100, 104–111, 111–117.5, 121.5–128, 124.5–130, 141.5–147.5cm – great for doorways, stairways, hallways and more. Auto-close function: The pressure mount stair gate closes automatically when open between 30°–90°, giving you peace of mind. If opened past 90°, it stays open for easy access. One-hand operation & dual swing: Open and close the pet gate effortlessly with one hand, while it swings both ways, suitable for passing through when carrying your baby, groceries, or your furry friend. Double-Locking System: The stair gate requires pressing both the top and bottom buttons simultaneously to open, keeping pets securely contained. Quick, flexible setup: Use pressure mounting for easy installation without wall damage, or screw it in for a more permanent fit – suitable for stairways.