Features: It can be used to remove formaldehyde, sterilize, and add oxygen in the space Suitable for household water purification equipment, air purifier, disinfection cabinet, oxygen bar, dehumidifier, refrigerator, water dispenser, household appliances, etc Take advantage of high voltage, use dry air or oxygen in the air as raw material to produce O3. Eliminates odors, freshens stale air. This Ozone generator is portable, easy for professional DIY use. Features stable working performance, safe, low noise, and high efficient Specification: Product category: air purifier Function: sterilize Suitable area: 21 - 30 ㎡ Noise: 10 dB Input voltage: AC 220V Rated frequency: 50 (HZ) Output voltage: 3.1-3.5kv Operating power: approx. 85w Operating frequency: approx. 16khz Power size: 145*55*45mm/5.7*2.2*1.8in Ceramic plate size: 112*50mm/4.4*2.0in Weight: 430g/15.2oz Package list: 1 x power supply driver 2 x Ceramic Plate 1、It can be used to remove formaldehyde, sterilize, and add oxygen in the space 2、Suitable for household water purification equipment, air purifier, disinfection cabinet, oxygen bar, dehumidifier, refrigerator, water dispenser, household appliances, etc 3、Take advantage of high voltage, use dry air or oxygen in the air as raw material to produce O3. Eliminates odors, freshens stale air. 4、This Ozone generator is portable, easy for professional DIY use. 5、Features stable working performance, safe, low noise, and high efficient