1Food Bacteria Killing: Ozone generator effectively kills food bacteria, such as Listeria, Staphylococcus aureus, E. coli and other common bacteria in refrigerators. 2Safe Deodorization: Fast and safe deodorization, scientific release of O3, source sterilization, elimination of refrigerator odor, fast and safe. 3Food Shelf Life Extender: Extend the freshkeeping cycle, inhibit the release of ethylene ripening agent, the reproduction and production of bacteria, etc., and prolong the freshlife time of food. 4Pesticide Degradation: Degradation of pesticide residues, the degradation rate of pesticide residues is about 30 to 50 times that of natural degradation. 5Human Body Protection: Refrigerator deodorizer works when the user is sleeping, and dormant when the user is using it to prevent the human body from contacting ozone. Item Type: Refrigerator Deodorizer Material: ABS Working Environment: Temperature 0-50; humidity 25%-60% Ozone Concentration: 20mg-50mg Effective Range: 2 cubic meters Battery Type: Lithium battery (built-in battery) Battery Model: 18650 Battery Capacity: 2500mAh Indicator Status Description:Charging Display: Red indicator light Fully Charged: Green indicator light Work Display: When working normally, in order to prolong the use time of the product in the ozone state, the LED digital display does not display, and the indicator light flashes. Press any key to restore the display to the LED digital display. 1 xRefrigerator Deodorizer 1 xUSB Cable 1. Please do not smell the smell in the ozone release at close range for a long time;2. Do not put foreign objects into the ozone release port;3. Do not let children use;4. Do not wash the product with water;5.Do not use gasoline, alcohol, chemical agents, etc. to wipe the product.