Add a level of security and style to your home's front door with the Weiser SmartCode Handle Set. To gain entry, simply enter your personalized access code, while locking is as easy as touching a button. The SmartCode Handle Set is easy to install, program and use and operates on 4 AA batteries. It also features SmartKey re-key technology as the back-up keyway. At Weiser, we believe people shouldn't have to settle when it comes to home security. And the best security is smart security. Get Smart. Get Weiser.