We all want our places to be safe so of course we have door locks on our doors, there are several types of locks and the ones that I am looking into are the keyless ones. I don't know why but it seems so simple and yet does the job. The way the locks are made, no keys are needed to lock up. My sister is interested in getting these for entire residence but I grew up with only knowing locks and keys to open them up and close them, this will take some time to get used to. Nevertheless it gets the job done.