Smart Micro 1/2/3 Gang WiFi USB Adapter Switch Mini USB Power Adaptor 5V

Fibaro Dimmer Bypass 2 Z-Wave Smart Lighting Dimmer Module DIY Installation

X10 Home Automation UK Wall Lamp Dimmer Module LW10U various manufacturers.

energyEGG Energy Egg Smart Sensor Smart Double Gang Light Switch X 2- NEW Boxca

SONOFF 2-Gang Wi-Fi Smart Switch, DUALR3 ,2-Way Support Alexa

Loxone Nano Dimmer & Nano IO Din Rail Enclosure

Philips Hue Smart Wireless Dimmer Switch x3