Kwikset 99140-003 914 Z-Wave SmartCode Electronic UL Deadbolt, Works with Alexa via SmartThings, Wink, or Iris featuring SmartKey in Venetian Bronze With the SmartCode 914 use your personalized code to enter your home with the convenience of keyless entry and the back-lit keypad provides increased visibility Does NOT work via Zigbee or Amazon Key, and is incompatible with Xfinity Works With Alexa for voice control (hub required, Alexa device and hub are sold separately) Requires 4 AA batteries, purchased separately Easily installs in minutes with just a screwdriver