William plays in the highest league of craftsmanship and beauty. A stylish Ultrasonic humidifier - equipped with all that is possible in modern engineering. It covers large rooms up to 1,000 square feet. He is extremely quiet and powerful, but still low in power consumption. Nothing can compare to this black beauty. Further important features make William a powerful and ideal companion: off timer, preheating (enhanced mist distribution), sleep mode (with dimmed lights? and turnable mist diffuser with fine mist selection. And the patented Ionic Silver Cube, inhibiting the growth of mold bacteria.