A 3way touch switch designed for lamps with metal bodies, adding convenient touch control, dimming, and safety. 3way touch control: A simple touch toggles the lamp on or off, with reliable operation for filamentstyle bulbs. Dimming by touch: Uses bodysensing to adjust brightness, enabling easy mood and task lighting without extra switches. Safe operation: Integrated surge absorber protects the circuit from external interference for stable performance. Wide compatibility: Works with table, floor, and bedside lamps that have a metal body. Compact, durable design: Selfcontained module suitable for replacement in standard lamp assemblies. 23 practical use scenarios: Bedside lamp: touch to turn on, then gradually dim for nighttime reading without fumbling for switches. Living room floor lamp: set the ambient level for watching TV or relaxing. Home office desk lamp: adjust brightness quickly for focused work or subtle illumination. This switch simplifies lamp control, enhances safety, and fits a range of common metalbodied lamps without sacrificing performance.