Ultrasound humidifier gently raises the humidity level in your home to help soothe irritation from dry air Removable water tank is easy to fill and a red LED light lets you know when the tank is empty Two humidifying levels with LED indicators allow you to personalise your comfort Night mode delivers ultra-quiet operation with no bright lights so it won't disturb your sleep Automatic switch-off provides added peace of mind Includes a cleaning brush and 15 aroma pads so you can add your own aroma oils (sold separately) for room-filling fragrance