I took it out of the box and it was too big, so I haven't used it even once. It's an ultrasonic humidifier with a water tank of approximately 3.0L, allowing for continuous humidification for up to 30 hours. - Brand: BRUNO - Model Name: BOE078-GRG - Humidification Method: Ultrasonic - Water Tank Capacity: Approximately 3.0L - Continuous Humidification Time: Approximately 10/15/30 hours - Applicable Floor Area: Approximately 9 tatami mats in a wooden Japanese-style room - Power Consumption: 16-28W Thank you for looking.