Kwikset 910 Z-Wave Contemporary SmartCode Electronic Touchpad Deadbolt, featuring SmartKey in Satin Chrome, Works with Alexa via SmartThings or Wink Works with Alexa for voice control (hub required, Alexa device and hub sold separately). For use on exterior doors where keyed entry and security is needed Customizable user access codes Lock your door with the touch of a button Replaces any deadbolt for keyless entry convenience Backup keyway featuring SmartKey re-key technology Z Wave certification number:ZC08-13010003 ; ZC08-13020011 Works with  Alexa via Samsung SmartThings and/or Wink