Power Supply: AC 100-240V, 50Hz/60 Hz MMAD (EN 13544-1): ≤ 5 μm Nebulization Volume: > 0.2 ml/min Noise Level: ≤55dB (A) Residual Volume:≤ 0.8ml Max Medication Capacity: 8ml 228g (not including Medicine Cup and Air Tube) Size (Main Unit):135.7 mm x 81.1 mm x 53 mm