【WHISPER-QUIET OPERATION with ULTRASONIC TECHNOLOGY】- Ultrasonic humidifier lowers the noise level to 32dB for quiet humidification. So it won't disturbing your bedtime, working or study - ideal humidifier for baby room or office space.【ALL NIGHT MIST with 2-LITER WATER TANK】- Holding up to 2 liters (0.5gallon) of water, the cool mist humidifier allows up to 10 hours of working time in low mist. It provides up to 200 sq.ft coverage for bedrooms, offices, and other medium-sized rooms. Besides, soothing dim NIGHT LIGHT Offers maximum relaxation during sleeping.【AUTOMATIC SHUT-OFF for INCREASED SAFETY】- The cool mist humidifier will automatically shut off with red LED light on when water level is low or the water tank is removed. No worry when you are in a hurry leaving home.【HIGH/LOW MIST LEVELS with EASY USE BUTTON】- 2 mist setting levels (High and low speed settings) for you to adjust mist direction and speed to fit your comfort level. Simple one touch button is quite easy to understand and setup.【NO FILTER NEEDED and BILL SAVES】- No longer worrying about the expensive filters with this filterless humidifier. This cool mist humidifier is covered with 365 days replacement warranty and 60 days money back guarantee. Ucareair provides hassle-free services with in 24 hours if you have any concerns.