Milocks Xfk-02P Digital Deadbolt Door Lock And Passage Knob Combo For Exterior Bring convenience to your home with this electronic keypad entry deadbolt and passage knob combo door lock by MiLocks. This keyless entry deadbolt and knob combo is a direct replacement for your traditional deadbolt and knob, 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 didn't 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 keypad glows in the dark which facilitates operation at night. 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. Keyless Keypad Entry - Add up to 10 keypad users and 10 remotes (inlcudes 1 remote) Backlit Keypad - Better visibility in the dark Direct Replacement - No extra work on standard door prep Easy Programming - Simple keypad and remote programming procedure adds or deletes users in seconds Smartphone control - smartphone compatible using INSTEON home automation system