Relieve congestion, dry skin and static electricity in your little one's room with the sunpentown ultrasonic humidifier penguin. This charming mist humidifier has an adorable penguin design your child will love. This cool-mist humidifier uses ultra-sonic technology to diffuse moisture in the air for up to 12 hours. The humidifier penguin has a detachable 1-gallon water tank, adjustable mist intensity and auto-shutoff sensor, which turns off the unit when the tank is empty. As a bonus, super quiet operation ensures your baby gets a good night's sleep. Who knew congestion-relief could be this cute?