SPECIFICATIONS Power: 120V/40W Frequency: 50HZ Maximum Atomization Rate: ≥0.2ml/min Normal Pressure: 0.05-0.18Mpa Abnormal Pressure: 0.19-0.45Mpa Particle Size: 0.5μm- 5μm Sound Level: < 65 dB(A) Cup Capacity: 8 ml Dimensions: 7.8 x 8.5 x 4.4inch = W*L*L Weight: Appr. 2.7lb