How to install a $2 Touch dimmer in your own lamp - Very easy (3 way control sensor LED switch) - YouTube
BQLZR DC LED Touch Dimmer Switch Sensor Lamp Accesories 6-12V with Wiring Diagram Suitable for LED Light Sources with Medium (Such As Glass, Acrylic, Plastic, Ceramic).: Amazon.com: Tools & Home Improvement
220v Touch Light Lamp Dimmer Switch Control Module Sensor Halogen Tungsten Led - Tool Parts - AliExpress