Check the listing for details. Alfred Z-Wave Plus Module for ML2 and DB2 Smart Locks (ZW2-PRO). Color: Black, Condition: New. Listed at 35.81 USD. Integrate Z-Wave functionality into your Alfred ML2 or DB2S smart lock using the Alfred Z-Wave Plus Module. This module easily installs into the back of the ML2 or DB2S unit below the batteries. Once installed, you'll be able to control your Alfred smart lock from a Z-Wave smart hub, incorporate it into a smart home scene, know exactly when your lock was accessed, and fully integrate it into your Z-Wave network.Adds Z-Wave functionality to Alfred ML2 or DB2S smart locksInstalls easily in the back of the ML2 or DB2S unit, below the batteriesZ-Wave connection works with various smart systems such as Vera/Ezlo, SmartThings, Hubitat, and othersML2 or DB2S lock is required (sold separately)Does not work with DB1 series locksContentsZ-Wave Plus ModuleManualNotesML2, DB2 or DB2-B lock is required (sold separately).Does not work with DB1 series locks.Technical DetailsManufacturer Part #: ZW2-PROUPC: 628341330299Z-Wave: 700 SeriesWarranty: 2-year Limited