Universal Dimmable LED, CFL, Incandescent and Halogen Trimatron Rotary On / Off Electro-Mechanical Dimmer, 600W-120V AC Incandescent, 150W-120V AC LED/CFL, 60 Hz, Single Pole. Knob assembled, Ivory and Light Almond knob included. Trimatron lighting controls are traditional rotary-style dimmers available in single-pole (one location) and 3-way (multi-location) Push-on / Push-Off versions for LED, CFL and incandescent lighting and quiet fan speed control. With a compact, easy-to-install design, Trimatron dimmers provide an easy fit even in shallow wallboxes. The classic style of Trimatron dimmers is ideal for enhancing the décor of traditional homes while simultaneously upgrading functionality to support today's latest bulb technology.