Vicks VUL575, Sweet dreams is ideal for the children's roomIt not only humidifies the air but also projects a variety of images into the ceiling with three different themes – safari, the sea and starry sky. The humidifier has ultrasonic technology which provides a visible fog. It maintains a low and even noise level of max 40 dB so that it can stand on when the child is asleep. Use Vicks fragrance pads with menthol or rosemary • For rooms up to 35m2• Project theme with animals, stars, etc.m the ceiling• Low noise level• Manually select one of the three themes and the projector will automatically rotate between the 3 images in the selected theme (total 9 dream images) and project them onto the ceiling• Ultrasonic technology: Ultra quiet operation• Cold air humidification: No risk of burns• Easy to refill water