Please add water below the Max line(less water, more mist)Please clean it at least once a week,keep it dry when you are not using it.Please use only 100% pure and natural essential oils and fresh water to make things better.Live Better with this portable Real Bamboo Aroma Diffuser:1. As the pace of life increases, people may feel tired, anxious and become hard to fall asleep, add several drops of lavender oils to relax your body and fall asleep faster.2.The Ultrasonic design ensures the oil diffuser control the mist smoothly for long time and it will not form drops and make the desk dirty.Mist Settings:First press - continuous misting modeSecond Press - intermittent misting mode(10/10seconds)Third Press - turn off mistFeatures:Silent operationEasy to use only two buttonsShuts off automatically when it runs out of waterUltrasonic vibrations create a superfine mistAromatherapy diffuser, humidifier and mood light in one