Efficient 3way touch lamp dimmer switch Operation and design: A compact 3way touch dimmer switch for light bulbs, featuring two sections for on and off. Built specifically for use with light bulbs. Human static electricity activation: The core control uses human static electricity to trigger the internal chip, providing touch control with a focus on user safety and energy efficiency. Builtin surge absorber: Includes a surge absorber to reduce interference from external sources and help protect connected components. Compatibility: Suitable for floor lamps, bedside lamps, and other metalbodied lamps. Wiring and installation: For 220V AC input, connect the black wire with the red line. Connect the black wire and white wire to the lamp. The yellow wire contacts the metal body of the lamp. Specifications: Load power range 15W to 150W, rated at 3A. Use scenarios: Living room: Use with a metalbodied floor lamp to set the right brightness for movies or entertaining guests. Bedroom: Pair with a bedside lamp to smoothly transition between reading light and dim ambient light. Office or study: Install on a metal desk lamp to adjust task lighting without reaching for a traditional switch.