Pass & Seymour 90610WV Single Pole Rotary Dimmer, Push On/Off Switch, 600-watt, White It is 600W, White, Single Pole, Rotary Dimmer The dimmer is Preset Incandescent Push On, Clam Shell It is 600W, White, Single Pole, Rotary Dimmer, Preset Incandescent Push On, Clam Shell