Relaxing Aromatherapy Diffuses 100 pure essential oils with powerful aroma coverage that naturally deodorizes the air of strong tobacco pet odors and more for up to 10 hours in rooms as large as 250 square feet WhisperQuiet Operation Runs quietly in the background making it perfect for use in a nursery office spa yoga studio or in any room of your home Soothing Mood Light Enhances the ambiance in the room with soft night glow lighting Auto Safety ShutOff Automatically turns off when the water tank is empty or low to prevent overheating and safety concerns What You Get Aroma diffuser AC power adapter water measuring cup user manual industryleading 2 Year Manufacturers Warranty caring customer support 7 days a week and the peace of mind that comes from a trusted brand with millions of customers worldwide