QUIET OPERATION: The Ultrasonic Technology helps easy breathing and getting a good night's sleep during periods of cough, cold and congestion. NO RISKS OF BURNS: Ideal for home use, including adult and children's bedrooms along with babies' nurseries as there is no risk of burns with the cool mist technology. DUAL VAPOPAD TECHNOLOGY: 2 slots for VapoPads with essential oils for extra comfort and soothing vapours for easy breathing - 2 menthol pads included. ADJUSTABLE MIST and 180° MIST NOZZLE: Adjust and direct the mist where you need it to help you maintain the humidity level between 40-60%., Manufacturer: Helen of Troy