Air Purifiers features: Refrigerator Air Purifier Deodorizer Ozone Generator Sterilizer Odor Remover Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. Specification:Material: ABSColor: WhiteRated Watt: 0.5WCharging Voltage: DC 5VInterface: Micro USBWorking Time: About 60 DaysWorking Temp: 0-50â?/ 32-122â?/span>Active Oxygen Concentration: 0.05PPMWorking Mode: Weak - Medium - Strong (3 Level)Battery Capacity: 1000mAh Lithium Battery (rechargeable)Dimension: 115 x 40 x 45 mm / 4.53 x 1.57 x 1.77 in (approx.) Features:â? Compact design, space saving.â? Extend the fresh time of food and vegetables.â? Ozone can improve the indoor air quality, remove peculiar smell.â? Suitable for confined space such as refrigerator, wardrobe, shoe cabinet, suitcase, trunk. Working Process:â? 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