Recommendation: dual switch and dimmer (Spain) - Devices & Integrations - SmartThings Community
CNBINGO Double Dimmer Switch for LED Lights, White Touch Light Switch, No Neutral Wire Required, Tempered Glass Panel with LED Backlight, 2-Gang 1-Way, AC 240V 700W : Amazon.co.uk: DIY & Tools
Smart Dimmer Light Switch WiFi Led Dimmer Switch 2 Gang Work with Alexa Google Home, Dimmer Switches - Amazon Canada
Lutron Maestro 300-Watt Single-Pole Dual Dimmer and Switch, White | The Home Depot Canada
Lutron Skylark Dual Dimmer Switch, Slide-to-Off, 300-Watt Incandescent/Single-Pole, White (S2-LH-WH) S2-LH-WH - The Home Depot
Dimmer Switches & Light Dimmer Knobs for Switch Plates
Lutron® Maestro® 300-Watt Incandescent 1-Pole White Dual Dimmer Switch at Menards®
TKB Home - Double dimmer switch (single charge) Z-Wave Plus White (TZ55D-ZW5)
Best Wireless Dimmer Switch Manufacturers
Dimmer Switches & Light Dimmer Knobs for Switch Plates
electrical - Replacing a standard 2-gang light switch with an electric dimmer switch - Home Improvement Stack Exchange