For Exterior Doors, Milocks Offers The Xf-02Aq Digital Deadbolt Door Lock With This MiLocks electronic deadbolt features a keypad which can store up to 6 different user Codes and accepts up to 10 radio frequency remote controls that work up to 30ft away (without obstructions). if you own more than one MiLocks remote control lock you are able to program 1 remote to control all of them! want to delete a user's simple programming has made adding and deleting users a walk in the Park. 1 remote and 2 traditional keys are included with every remote control door lock. This keyless entry door lock uses a common KW1 keyway making it possible for a locksmith to re-key it to match your existing key. No more extra keys, no more tucking a key under the mat, simply add a code or share a remote and give keyless access instantly. This electronic deadbolt is also smartphone compatible by integrating into your Insteon home automation system or as a standalone smartphone control lock using the MorningLinc. (Sold separately) Features Specs: - Great for exterior door such as front door, side door, back door, garage entry door and other doors that use a traditional deadbolt - Easy programming - Remote controls work on rolling code technology, an encrypted signal unreadable by code scanners - Fits both left handed and right handed doors - Bump-resistant cylinder for added security - Intruder alarm triggers after 4 failed keypad entry attempts - Direct Replacement on standard door prep - Latch with adjustable backset (60Mm and 70Mm) - Mounts on door thickness of 1 1/4 inch (30Mm) up to 1 7/8 inch (48Mm) up to 2 1/4 inch (57.15Mm) with extension kit (sold separately) - Backlit keypad - Audible tones for lock, unlock and low battery - Uses common KW1 keyway - Uses 4-AA batteries (sold separately) - 1 year electrical warranty, 25 year mechanical warranty and lifetime warranty on exterior finish. Keyless keypad entry - add up to 6 keypad users Remote control entry - add to 10 remote controls Multi-lock control - 1 remote can be programmed to multiple locks Easy programming - simple keypad and remote programming procedure adds or deletes users in seconds Smartphone control - smartphone compatible using insteon home automation system