Does a home sputum aspirator consume a lot of electricity

Household sputum aspirator does not consume much electricity. Sputum aspirator belongs to the technical field of medical devices, its structure and its simple, and small size and low cost, easy to carry the machine is very convenient, does not consume electricity, most of the sputum aspirator on the market for the motorized, hand-controlled operation is simple and convenient, in the field and the family can be used.