Amazon: $25.04 GE Z-Wave Wireless Smart Lighting Control Duplex Receptacle Outlet, On/Off, In-Wall, White, Works with Amazon Alexa & Smartthings, 12721, FS w/Prime or FSSS

https://www.amazon.com/GE-Wireles…0013V1SRY?
This is also lowest price ($17.80) currently:
GE Add-On Switch, Toggle Style for GE Z-Wave, GE ZigBee and GE Bluetooth Wireless Smart Lighting Controls, White, NOT A STANDALONE SWITCH, 12728
https://www.amazon.com/GE-Wireles…MGYY0?th=1