Specifications: 1) Unit size: 188*106*188mm 2) Unit weight: 1500g 3) Power: 230 or 120V AC 50/60Hz 4) Particle size: 0.5 to 105) Average nebulization rate: >0.2ml/min 6) Noise level: About 55dBA 7) Operation pressure range: 8-16psi/50-100Kpa 8) Accessories: Tube, nebulizer, mouth piece, mask, filters(5pcs)