esFeatures of the product. 1: add water to the tank, the higher do not exceed the water level line, and then add the appropriate amount of essential oils 2: briefly press the atomization switch button, open the aromatherapy atomization, briefly press again, stop the atomization work. 3: Briefly press the light off switch button to turn on the ambient flame light, press and hold again, the brightness of the ambient flame light increased by 30%. Press briefly again, close the ambient flame light. 4: Clean the humidifier at least once a week, do not allow water or moisture to remain in the device. Do not open the radiator when using the Specification. Material ABS + PP + Electronic Components Color: Black, White Nominal Input: DC5.0V/2.0A Operating Current: ≤ 900mA Rated Power: ≤4.5W Water Tank Capacity: 180ml Spray Volume: 15-20ml/h Size: 171*75*101mm package includes Air Humidifier *1(without essential oil) Type C Power Cable * 1 User Manual * 1