The Aroma-Wave Ultrasonic Aroma-Diffuser is a discrete & easy-to-use aromatherapy diffuser with colour changing mood lights.Small and discreet, the Aroma-Wave diffuser blends into and fragrances any environment. Ideal for use with pure essential oil and fragrance oil No naked flame Requires no heat source Auto shut off safety feature Mini humidifier Easy to clean Low energy consumption A revolutionary way to fragrance your surroundings Stylish and contemporary design Mood lightingAs with all electric diffusers, it is recommended that they are cleaned regularly with a soft cloth or toothbrush to ensure continued and long lasting results.