Leviton's new smart dimmer doesn't require a neutral wire - The Verge
Decora Digital/Decora Smart Switch Color Change Kit, DDKIT-S – Leviton
Leviton D215S-2RW Decora Smart Wi-Fi Switch (2nd Gen), Works with Hey Google, Alexa, Apple HomeKit/Siri, and Anywhere Companions, No Hub Required, Neutral Wire Required, with Brown Color Change Kit - Amazon.com
Leviton Decora Smart Switch for Sale in San Diego, CA - OfferUp
Leviton DH15S-1BZ - Decora Smart Switch with HomeKit Technology – Ready Wholesale Electric Supply and Lighting
Decora Digital/Decora Smart Switch Color Change Kit, DDKIT-S – Leviton