This ultrasonic cool mist humidifier air purifier is a must-have for anyone who wants to improve their indoor air quality. It features a tank capacity of 0.4 gal (1.5) liters, making it perfect for whole house, personal, or whole room use. The humidification method is ultrasonic, which ensures quiet operation and automatic shut-off. In addition, this humidifier has a night light and comes in white and blue colors, making it a stylish addition to any room. It has a power of 100-240 V.50HZ and is perfect for use in heating, cooling, and air systems. This product is perfect for those who want to enhance their health and kill bacteria in the air.