This Steam humidifier and this has a very good design and quality at a great price. I would definitely recommend it. Here are some of the features that I like. This USB cold mist humidifier uses ultrasonic nano-spray technology to quietly spray 0.47~0.85 fl oz of water per hour, 7 colors of LED lights for you to choose from, suitable for different environments, This 240 ml table humidifier has two time set spray modes. Click once to turn it into continuous spray mode for 4 hours, One touch control for all functions. Click the function key, continuously spray for 4 hours, click again, intermittently spraying (stop 3s) for 8 hours.