Why You Need It: No more kids or pets locking you or themselves in the room; Prevent kids from entering specific rooms like toilet or storage room without adult supervision; Prevent kids from playing with doors and pinching fingers. Upgraded Double Lock System: The door bar safety lock is designed with a double lock system to stop kids or pets from opening the door, keeping the door in a safe place. Child safety locks provide a safe childhood for children. Wide Application and Anti-Lock: The child door lock is compatible with most standard door handles. Control the "deactivate" mode with 2 side buttons, and the baby proof door bar lock prevents you from being locked out by your kids. Easy to Install and Remove: No tools and screw drilling required. The pet proof door handle lock can be installed by simply peeling and sticking the 3M adhesive. To remove, heat the baby door lock with a hair dryer for about one minute, then carefully peel off the glue. Safe and Durable: The child door lock is made of non-toxic ABS material. The durable handle lock is strong enough for small children to open or remove, ensuring your child has a safe place to rest.