New, Unused Maximum humidification: 400mL/h Effective for rooms from 7 to 11 tatami mats* Easy to clean No filter needed *Humidification filter 4L water tank that can be easily removed for refilling Child lock to prevent accidental operation by small children Adjustable humidification levels: "High," "Medium," and "Low" Long-lasting humidification Up to 20 hours of continuous humidification *In sleep mode Humidity monitor automatically adjusts humidification for constant comfort Aromatherapy for a change of mood *The applicable room size is based on the Japan Electrical Manufacturers' Association (JEM1426) standard, with the maximum applicable floor area for prefabricated Western-style rooms and the minimum for traditional Japanese-style rooms. However, the applicable area may vary depending on the materials of the walls and floor, and the furnishings used. Please consult with the retailer where you purchased the product.