( Were Deaf-Mutes If You Don't Mind, Pls Support Browse This Child Safety lock) most children can't open! Other designs can be opened by small children. They don't provide the assured safety you need. Our lock requires an adult to press buttons on one side of the lock.EASY OPERATION - Both Men and Women can effortlessly open and close the lock with just one hand. You can open this lock with just 2 fingers. Simply press the release button on both sides and swing the lever up. Pressing 2 sided button to convert into deactivation mode, it prevents you from locked out by your children.SUPER EASY TO INSTALL - No tools needed.No need to drill holes. Simply stick to your door with the included 3M adhesive backing. To remove the lock, use a hairdryer to heat up the 3M sticker and remove it easily. No damage or trail left on the door.UPGRADED DOOR LEVER LOCK: No more children locking you in a room. The only way to lock and unlock the lever lock is by pressing the buttons.