Most children cannot open them, as they provide a higher level of security compared to other items. These zips require an adult to press the button on the side of the zip to open. Easy to use – both men and women can open and close with one hand using just two fingers. To lock, simply press the release button on the side to close. Installation is very easy: no splicing tool is required. Just attach to the door using the included adhesive. To remove, heat the 3M sticker with a hairdryer and peel off easily without causing damage or marks to the door. Improved door lock function: prevents children from locking you out of the room. The only way to lock and unlock is by pressing a button. The lock is made from upgraded ABS material (blended with 20% PC for added rigidity) and features enhanced 3M adhesive (17N/100mm), making it durable and resistant to damage or removal by children, ensuring a high level of child safety. How to install: Step 1: Clean the mounting surface. Position the lock on the door, ensuring the handle is centered, then mark the position with a pen. Step 2: Peel off the protective film. Step 3: Press firmly for approximately 10 seconds. Step 4: Attach the lock to the door surface at the marked position. When your child is older: To remove the lock from the door handle, follow these tips to ensure the door and hardware remain undamaged. Remove all safety components from the door lock. Lift the cord and move it from left to right. Product from NIUNIU's store