Hiding a key outside of your home for those moments when you are locked out used to be standard operating practice for homeowners. No longer. With Schlage's electronic keypad locks, the lock feature a keypad allowing homeowners to add, change or delete user codes in seconds. So no more leaving a key outside for visiting relatives; just give them a temporary user code. The lock also installs in under 30 minutes with a screwdriver. Use Schlage's locator to find retailers both online and off.