What are the reasons for replacement smart locks?

Intelligent lock is refers to the difference between the traditional mechanical lock, in the aspect of user identification, security, manageability more intelligent locks, intelligent lock is to lock the door in the entrance guard system execution parts. So smart locks should pack? Replace the intelligent lock usually have what reason? Reason 1: go out every day to find the key, really trouble reason two: double window to go home, forgot to take my key danger! Reason 3: a nanny to leave again in the lock, how frustrating reason four: go out to throw garbage is to lock the door outside on a smart lock, finger is the key, as far as you want to go far, don't have to worry about forget to take the key, have not back to home also don't have to worry about. So, all of us if the smart locks fitted, mainly is the above four reason, we choose appropriate intelligent lock is what we need.