Portable suction unit Function: Used in hospitals,clinics,home cares, for suctioning,sucking saliva,sucking pus and other liquid in medical area. Description: Voltage: AC220V±10%, 50Hz±2% or AC110V±10%, 60Hz±2% Power: 90W Noise: ≤65dB Max negative pressure value: ≥0.075MPa Vaccum Range:0.02MPa...