Power: 230 or 120V AC, 50/60Hz Power Consumption: below 75W Medication Capacity: 6ml Particle Size: 0.5 to 6um MMAD: 4.0um Average Nebulization Rate: 0.4ml/min Noise Level: below 60dBA Compressor Pressure Range: 30 to 36 Psi / 210 to 250 Kpa / 2.1~2.5bar Operation Pressure Range: 8 to 16 Psi / 50 to 100 Kpa / 0.5~1.0bar Liter Flow Range: 6~8lpm Operating Temperature Range: 10C to 40C (50F to 104F) Operation Humidity: 10 to 95%RH Storage Temperature Range: -20C to 70C (-4F to 158F) Storage Humidity Range: 10 to 95%RH Dimension (L x W x H): 11.8"x7.1"x4.5" Weight: 2.1Kg Standard Accesories: Nebulizer,Air Tube, Mask Filter(5pcs.),Mouth Piece