That Personal Ultrasonic Humidifier is feature-packed and innovative. It is durable. This portable ultrasonic humidifier features an integrated night light that emits a warm glow from the water tank which makes it ideal for a child’s bedroom or anywhere that soft light would be appropriate. It is easy to operate thanks to its convenient one-button control. Its silent operation means it can be used in any environment. That Personal Ultrasonic Humidifier is designed to run for up to ten hours without a refill, giving your wonderful performance.