Bring new excitement and convenience to your home with this keypad entry deadbolt and handleset by MiLocks. This keyless entry deadbolt and handleset combo 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 didn't switch to keyless entry sooner. In addition to adding individual users, you can also program a master code to multiple door 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.