Buy the LightwaveRF White Master/Slave Dimmer at UK Electrical Supplies
2 way switches replacement with Dimmers | DIYnot Forums
Smart 3 Way Dimmer Light Switch Kit, Meross 2.4GHz WiFi Dimmer Switch for Dimmable LED Light, Halogen and Incandescent Bulb, Support Alexa, Google Assistant and SmartThings, Remote and Voice Control - Amazon.com
Touch Control DALI Master Dimmer Switch For Single Light SR-2400TL
LightwaveRF Connect 2 Gang Master/Slave Dimmer Switch White Smart Touch | eBay
CLEARANCE LightwaveRF JSJSLW450WH 1 Gang 2 Way Dimmer Slave Switch 250W White - Beacon Lights
Extra Add-on 3 Way Smart Dimmer Switch, Work as Slave Add on 4 Way Switch for TESSAN 3 Way WiFi Dimmer Switch Kit, Can not Work Alone : Amazon.ca: Tools & Home Improvement