Ac Light Dimmer Module, 4 Channel, 3.3v/5v Logic, Ac 50/60hz, 110v~400v, 10a Per Channel - El Products - AliExpress
Zooz 700 Series Z-Wave Plus S2 Toggle Dimmer Switch ZEN74 - The Smartest House
Installing a Multi-way Brilliant Smart Dimmer Switch Setup – Brilliant Support
ELEGRP Digital Dimmer Light Switch for 300W Dimmable LED/CFL Lights and 600W Incandescent/Halogen, Single Pole/3-Way LED Slide Dimmer Light Switch, Wall Plate Included, UL Listed, 1 Pack, Matte Black - - Amazon.com
electrical - Does it matter which 3-way switch I put a dimmer at on a 4-way circuit? - Home Improvement Stack Exchange
Electrical dimmer switches for 4 switch locations? - Home Improvement Stack Exchange
GlassTouch Pro 4-Zone 120V AC Wireless Dimmer Wall Switch/Controller
DA4 12 24VDC 4 Channel 4CH Constant Voltage DALI LED Dimmer 4 Address PMW dimming 240w 480w output for led strip light|Dimmers| - AliExpress