Tribest Humio HU-1020-B Ultrasonic Cool Mist Humidifier and Night Lamp with Aromatherapy Compartment, White Ultrasonic technology produces an evenly dispersed cool mist, without leaving your room feeling stuffy or muggy like other humidifiers When powered on, the led night lamp rotates between soft, soothing colors, or can be set at your favorite color, creating the perfect ambience The aromatherapy compartment lets you fill your home with your favorite scents and essential oils for a natural therapeutic experience Easy push button controls and filter less design provide ease of use with minimal cleanup