16mm 3MHZ Ultrasonic Humidifier Film Plate Ceramic Atomizer Piezoelectric Transducer Humidifier AccessoriesFeatures:and atomizing particles, large atomization, high atomization height, and the table is not wet.Low power consumption, low stable waveform, high conversion efficiency.Low loss, low heat generation, corrosion resistance, acid and resistance, long service life 5um orifice, orifices.5V USB ultrasonic driver board and atomizer plate.Specifications:Plastic+MetalWeight: 7gDiameter: 16mm 0.62inch Frequency: (MHz)Package Includes:FilmNote:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.