Kwikset 914 Zigbee Smart Lock Conversion Kit Satin Nickel 99140-111 Amazon Key Kwikset 914 SmartCode Zigbee Conversion Kit allows you to upgrade your existing deadbolt into a smart lock compatible with Amazon Key. This satin nickel finished unit integrates seamlessly with home automation systems using Zigbee technology, providing remote access and monitoring capabilities via the app. The kit includes the interior assembly, mounting hardware, and installation instructions, designed to work with your current exterior hardware for a quick and easy smart home transition. Measurements: • Box Length: 9.5" • Box Width: 4" • Box Height: 3.5"