... are able to select the right perfume you like , enjoying DIY car life. Strength:Exquisite design,Low Power Consumption,High efficency, Fashionable ... and durable Use Scope: Home , Office, Car ,Study room. Products Parameter: Working voltage: DC 5V(USB Standard ... :180mlUltrasonice Transducer’s lifetime: > 3000hrs. Intelligent Clean air humidifierfor Car & Home Office use.