Specification:Material: ABSColor: WhiteRated Watt: 0.5WCharging Voltage: DC 5VInterface: Micro USBWorking Time: About 60 DaysWorking Temp: 0-50℃ / 32-122℉Active Oxygen Concentration: 0.05PPMWorking Mode: Weak - Medium - Strong (3 Level)Battery Capacity: 2000mAh Lithium Battery (rechargeable)Dimension: 115 x 40 x 45 mm / 4.53 x 1.57 x 1.77 in (approx.) Features:● Compact design, space saving.● Extend the fresh time of food and vegetables.● Ozone can improve the indoor air quality, remove peculiar smell.● Suitable for confined space such as refrigerator, wardrobe, shoe cabinet, suitcase, trunk. Working Process:● Product of led flashing at work, 90 minutes of cyclic release. Working in low level for 2 minutes, in middle level for 4 minutes, and in high level for 7 minutes. The indicator lights go out when standby. Warm Reminder:- Active oxygen density than air, so you need to put in to purify the location of the top.- Please keep the product dry, avoid the rain fog effect on electronic circuit.- Please do not hit, fall off this product, the use of rough way may lead to damage of circuit board. Package Included:1 x Ozone Purifier1 x USB Cable1 x User Manual Notice:- Please allow slight dimension difference due to manual measurement.- Please consider the actual sizes in the listing as the pictures are generally enlarged to show detail.- There might be a little color difference due to the monitor, camera or other factors, please refer to the physical item.- Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully.