HF710 uses high-frequency vibration technology to create a micro-fine mist that immediately evaporates into the room creating a comfortable living and sleeping environment. And at the same time add a few drops of your own essential oil into the aroma box to get advantage of increased therapeutic capabilities. Advanced technologies, ease of use, and low maintenance costs, makes the HF710 the logical choice for all your humidifying needs. Variable spray mist control for use with small, medium or large rooms. Suitable for room size 60m. 12 hour timer. Ultrasonic humidification. 6 L water tank. Auto shut-off. Variable control. Quiet operation. Size H28, W19.5, D29.5cm. Low energy consumption. Manufacturers 3 year guarantee.