SECURE KEYLESS ENTRY: Fast and quiet motorized deadbolt with illuminated touch screen provides keyless door entry to your home, and one-touch locking when leaving.Control Method:Touch EASY PROGRAMMING: Up to 50 customizable user codes and 10 one-time user codes with 4 to 8 digits, protected by alarm and lock out after 3 incorrect attempts EASY INSTALL: Do it yourself, installs in minutes with just a screwdriver, fits doors between 1-3/8 inch inch and 1-3/4 inch inch thick, 4 AA batteries last 12 months or longer SMARTKEY SECURITY: Kwikset's SmartKey security technology protects against advanced break-in techniques and allows you to re-key your lock yourself in seconds AUTO-LOCKING: Setup deadbolt to auto-lock after entry or exit, pick between 30-second, 1, 3, 5 or 10 minutes, perfect for getting in and out in a hurry