(This review was collected as part of a promotion.) I really love this lock! It was so easy to install, all the steps are separate in a different box. Just follow the number on the box. I’m very lunatic and this lock it’s perfect! The other day I forgot my keys in my locked car. I was able to enter with the code in my home to take my double car key! I love the fact that we can give a temporary code to someone. I have two old animals and I’m feeling better that I can allow my friends to check on them when I’m away. Recommend this product!