Powered by USB cable, connected with computer or power bank; or by 4 AA batteries. Combat bacteria: Utilizes advanced high pressure ionization technology, purify the air and kill bacteria only within 30 minutes. Reduce odor: Neutralizes or eliminates unpleasant odors with fresh air inside refrigerators, closets, bathrooms and cars, pantries, pet zones and wherever else you need it. 2 Mode operation: will keep to work 10 minutes and pause 20 minutes, continues cyclic working for 12 hours or automatic shutdown when keep working for 4 hours.

Powered by USB cable, connected with computer or power bank; or by 4 AA batteries. Combat bacteria: Utilizes advanced high pressure ionization technology, purify the air and kill bacteria only within 30 minutes. Reduce odor: Neutralizes or eliminates unpleasant odors with fresh air inside refrigerators, closets, bathrooms and cars, pantries, pet zones and wherever else you need it. 2 Mode operation: will keep to work 10 minutes and pause 20 minutes, continues cyclic working for 12 hours or automatic shutdown when keep working for 4 hours.