Security Door Lock: This security door lock is ergonomically designed. The door handle lock can effectively prevent children from opening the door, prevent children from going out alone or enter dangerous rooms, and avoid unnecessary danger to children.You just need to press the button when you open the door. The white, minimalist design blends into your room design and is easy to match with furniture. Easy to install and remove: Drill holes without tools and screws. When installing the security door lock, clean the door surface, then remove and apply the 3M adhesive. When disassembling, please heat the baby lock with a hair dryer for a minute or so,then carefully peel off the glue, easy and fast. MULTI-PURPOSE: This security door handle lock is compatible with most standard door horizontal handles, you can use it on any door. The safety lock has 2 side buttons to control the "passive" mode, the door will not be easily opened by children, it isvery suitable for home, kindergarten, school, pet store and other places. IDEAL GIFT: This is the perfect gift for family or friends, especially those who are about to become mothers. Child safety locks are not only suitable for most lever-type door handles, but also for dogs, cats, windows, cabinets, faucets, pantries, infantsand pets have difficulty opening the door, but it is easy for adults to move the lever and enter the room .