The satin nickel Real Living Assure Lock SL Deadbolt with Connected by August from Yale offers a secure alternative to the standard deadbolt lock. With this keyless deadbolt, you won't have to worry about lost keys or picked locks. Thanks to unique passcodes, you'll be able to assign entry access to family, friends, and guests. The backlit touchscreen keypad enables you and authorized users to unlock your door. One-touch locking allows you to lock this device with a simple tap. Four AA batteries are included for operation.