Portable Ozone Sterilizer and Deodorizer Space Clean DUO Pink/Silver/Black ◇Regular Price: ¥19,800 This is a portable, low-concentration ozone generator. Recommended for use in cars, entryways, refrigerators, tables, etc.! Operates for approximately one month on a 6-hour charge! (In low mode) ◇Operating Temperature Range: -10°C to 50°C Individual purchases of 1 or 2 units, and additional purchases of 3 or more units are possible. Please feel free to contact us.