Breeze High-Concentration Air Ion Generator - Color: Black - Features: Fan-equipped negative ion generator - Country of Manufacture: Japan Negative ions generated naturally, even without being plugged in. Uses a negative ion generation panel. For use in bedrooms. Height: 25 cm, Width: 50 cm Negative ion generation: 6200/cm3 Suitable for use in general homes, hospitals, nursing homes, etc. This is not an ozone generator. A gentle ion generator that is harmless to the body. Please refer to the photos for detailed explanations. Stored in a closet, so please be aware that there may be some dust. No original box. No returns accepted.