Bring new excitement and convenience to your home with this keypad entry deadbolt door lock by MiLocks. This keyless entry deadbolt is a direct replacement for your traditional deadbolt and installs just as easy on both left handed doors and right handed doors 1 1/4″- 1 7/8″ thick. You will discover how useful it is to simply share a code instead of sharing a key. Easy access for your kids coming home from school, no more need to take your keys with you on a run, no more making extra keys for others, you will wonder why you didnt switch to keyless entry sooner. In addition to adding individual users, you can also program a master code to multiple locks, a valuable feature for property management. The backlit keypad easily lights up with the push of a button and facilitates operation in the night time. It includes an adjustable latch with 2 different backset settings of 2 3/8″ and 2 3/4″ and features audible tones when locking unlocking and low battery warning. Operates on 4 “AA” batteries which are not included. This lock carries a 25 year mechanical warranty, 1 year electrical warranty, and a limited lifetime warranty on the finish..