Maintain comfortable humidity levels in your home with a Black & Decker Ultrasonic Humidifier. The quiet operation is ideal for nighttime use in a nursery or child's room, and a variety of settings makes it simple to adjust to your needs. Cool mist humidifier helps keep your air moisturized and comfortable. Covers rooms up to 600 sq. ft. Settings include Cool Mist with 3 speeds, a 12-hour timer, negative ion function and humidistat for 45% to 90% humidity control. Portable humidifier is compact for use around the home. 35dB operation for quiet nighttime use. Runs up to 40 hours per filling. Auto shut-off occurs when the tank is empty or removed. Includes 1 ceramic infused-filter that softens water and reduces calcium buildup. Backed by the manufacturer's 1-year limited warranty. Includes a remote for ease of use.