... , New invention 2013 essential oil humidifier (use in car & home) Can use at home & in the car, humidifier car aroma, ultrasonic humidifier, aroma air humidifier ... , Fcc, patent(Utility Patent and Design Patent). 7). Use widely: Mainly used in car, also can be used in home and office when equipped ... -data.•Model: JO-638• Power Supply: 12 V/DC(use in car); 110v-240 V/AC(use at home/office) (optional) • ...