This aromatherapy machine is ultra-quiet, so you don't have to worry about affecting your work, study or sleep. Ultrasonic humidification improves the atomization effect and effectively improves the air quality at your location. It can be used to remove peculiar smell, purify air, increase humidity, etc. You can put 2-3 drops of essential oils (not included) into the water to make the aroma spicy and add a warm and romantic atmosphere to the room. This humidifier can not only help regulate the dry air in the air-conditioned room, but also moisturize your skin, relieve the stuffy nose and purify the air to keep you healthy all the time. Suitable for home, office, gym, spa, yoga, etc. Water Tank Capacity: 180ml Rated Input: DC5.0V/2.0A Working Current: 900mA Rated Power: 4.5W Spray Volume: 15-20ml/h Material: ABS, PP, Electronic Component Color: White, Black(optional) Size: 171 x 75 x 101mm Weight: 400g Package List: 1 x Aromatherapy Humidifier