... .Strict quality control, three testing procedures:Voltage test,Fan test,and function test.6.ODM/OEM,customized design ... used separately or at the same time2.Excellent effective 16MM motor , low noise, strong wind3Humidifier: moisturizes the air, ... center,or other private / public circumstance. Features / Description:1.Fan + Ultrasonic Humidifier2. Heat dissipation & humidifying,doulbe cooling function3. ...