DOUBLE-LOCKING SYSTEM: Adult can open the door with one hand by sliding the button on the top (Need to slide both ends at the same time and then lift). Comes with the bottom locking block, it enhances the stability, to ensure your pet secured in place. EASY ACCESS: Equipped with a small cat flap/ door, convenient for pets to pass, it can be kept always open. This pressure fit stair gate is designed to open both direction, you can adjust it to meet your different need. INSTALLATION METHOD: Wall space pressure mounts for simple set up. Please note, it is normal that there is a large gap at the door lock before installation, just tighten both sides until the gap is 2-3 mm. AUTOMATICALLY CLOSE DOOR: The walk-through door can be closed automatically when its opening angle is less than 90°, and remain open when it goes over 90°, which can solve the trouble that you occasionally forget to close it. Pet Gate Information: Ideal for doorways, hallways, stairs, etc. Our gate only fit the opening 75 to 82 cm, please measure your opening before purchasing. Assembly required.