WH-03 Low Noise Nebulizer Products > Nebulizer Specifications Dimension 143x128x77.6mm Net Weight 0.3kg Nebulization Rate ≥0.20mL/min Noise Level ≤65dB Liquid Residue ≤1.2mL Continuous Working Hours 1 hour Power – Voltage AC100-240V 50/60Hz particle size MMAD 3.7μm±25%