This product can be used with your favorite essential oils. It uses cool mist ultrasonic technology to disperse ultra-fine mist into the air. Uses cool mist ultrasonic technology. Moisturizes the air for up to 18 hours on the low mist. Benefits from using the aroma diffuser include the following: Relieves dry coughing, nasal congestion, and other symptoms of colds and allergies. It also helps prevent nosebleeds, chapped lips, and reduces static electricity shocks. Using essential oils can help with relaxation, sleep, reducing stress, improving breathing, and repelling certain insects. Safe dual sensor technology auto shuts off when the water level is too low. Slightly uneven surfaces can cause diffusers to not shut off in time causing dangerous overheating. InvisiPure's dual water level sensor technology ensures that your unit will never run dry and overheat.