Top of door lock. Installing the lock is easy just peel and stick， no tools necessary making it the perfect choice for renters or anyone who doesn't want to damage their door. It even comes with an easy to use installation template so you can perfectly align the latch and catch for just the right fit without any measuring. In case your child wants to use their fingers as a door stopper， the lock is designed with a pinch guard that prevents the door from slamming shut， so delicate fingers don't get pinched. Prevents getting locked out， parents can unlock the door from either side. You can also keep the lock in off mode for any period of time， which lets you freely pass through the door when the kids are asleep， and its handy for grandparents who only need temporary use of the lock when the grandkids are visiting. The SecureTech visual indicator lets you know when the lock is engaged with red and green visual indicator.