Description: 5V USB ultrasonic mist maker driver board and atomizer plate. Low driving voltage, low power, low impedance, stable waveform, high conversion efficiency. Round ring atomizer plate, middle spray, 5um ultra-fine spray aperture, 740 ultra-dense spray holes. Surface of the atomizing sheet adopts an oxidation-resistant silver layer to protect the coating process, long life. Adopt environmentally friendly electronic components. Specifications: Product name: Humidifier driver board Color: As show Voltage: DV 5V Current: 300mA Power: 2W Frequency: 110KHz Steel sheet diameter: About 16 mm Silicone ring outer diameter: About 20 mm Wire length: About 8 cm Size: approx. 46 *20*17mm/1.81*0.79*0.67" Package Included: - Humidifier driver board - 16mm Atomizer plate - pipe |