Capacity: 200 ml Coverage: approximately 1 to 20 square meters (moisturizing and perfuming if essential oil is added to the water) Required electricity: USB Device dimensions: 95 * 95 mm Weight: 130 g European quality certification Features: - This device uses ultrasonic technology that provides fine mist and pleasant aroma to create a quiet and comfortable environment, and helps you breathe better in the summer - Made of safe, healthy, fireproof ABS and PP materials, note: do not add too much Essential oil. Add an appropriate amount of water, the maximum amount of water is 200ml. Do not tilt the appliance with water in it, otherwise water will leak out. Maintenance instructions: Clean the cotton regularly and change it if necessary. The spring must be added to the cotton, because there will be no fog if it is without it. Please clean the atomizer plate with the medical swabPower : 3 WattWick filter It works by connecting the charging cable included in the package. Touch switch