The item in the image is an MLD Aspirator-Blower electric blower. Key specifications and features for this type of professional electric blower typically include:
Type: Aspirator-Blower (dual function: blowing and vacuuming)
Frequency: 50Hz
No-load speed: 20000r/min
Power range: These models usually have a power input between 500W and 700W.
Components: It comes with a dust collecting bag and a nozzle/pipe.
Use case: Suitable for cleaning dust from computers, electrical gadgets, appliances, and general household/workshop use.