... 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 ... Amout: 40ml/hStorage capacity:180mlUltrasonice Transducer’s lifetime: > 3000hrs. Intelligent Car & Office Use Air humidifier