| Model | WSD-II | 
| Water flow adjustment | Knob adjustment | 
| Power input | 100-240VAC 50/60Hz | 
| Main unit input voltage | DC 12V | 
| Water supply flow rate | ≥50 mL/min | 
| Water supply pressure | ≥0.02MPa | 
| Weight of main unit | 600g | 
| main unit size | 180mm*125mm*180mm | 
| Storage Environment | Temperature:0℃~50℃ Relative humidity:≤95% Atmospheric pressure:50kPa ~106kPa | 
| Working Environment | Temperature:5℃~40℃ Relative humidity: ≤80% Atmospheric pressure: 70kPa~106kPa |