Product Specifications: Refrigerator Deodorizer and Sterilizer Function: sterilization How it works: Ozone Applicable area: less than 10\u33A1 Capacity: 8 liters and above Control mode: button type Button mode: three gears Size: 14.6*4.4*5cm Power supply mode: USB, car power supply, AC Usage environment: home use Battery capacity: 1200mAh Charging time: 2 hours Rated voltage: 5VDC Voltage: 110-220V Plug Type: EU Plug Rated power: 5W Rated frequency: 5Hz Noise: 5 Product selling points: small size does not take up space, ozone deodorization, long battery life! Perfect for bedroom, wardrobe, washroom, refrigerator, office, car, etc. Efficient Deodorizing: Removes unpleasant odors from your refrigerator, keeping your food fresh and clean. Sterilization: Kills bacteria and viruses, ensuring the safety of your food. Air Purification: Purifies the air inside your refrigerator, providing a healthy environment for your food. Food Preservation: Extends the shelf life of your food by preventing spoilage and decay. Rechargeable: Convenient and eco-friendly, simply recharge the device when needed. Label: Yes Package Includes: 1 x Air Purifier