Thank you for viewing. This is the Mitsubishi Heavy Industries hybrid humidifier "roomist", model SHK90JR-W. Product Features and Specifications: Model Number: SHK90JR-W Year of Manufacture: 2012 Humidification Method: Hybrid (Heating + Evaporation) Applicable Floor Area: Primarily for prefabricated Western-style rooms up to 23.5 tatami mats, and wooden Japanese-style rooms up to 14.5 tatami mats. Features: Automatic operation adjustment with dual temperature and humidity sensors. Equipped with "Plasma W Deodorization" function to suppress viruses and airborne bacteria. Water supply notification via LED, LCD display, and buzzer (automatic stop when water runs out). Power-on and operation confirmed. Other: Please purchase only if you understand that this is a used item. If you have any questions, please feel free to ask. Design with air purifier function and humidity display. - Brand: roomist - Function: Air purifier - Display: Humidity 45% Thank you for viewing.