Features: 1) Input voltage: AC 100V~240V/50-60Hz 2) Current: 3) Power: 4) High voltage: -3kV~-6.0kV 5) Frequency: 1.5K ± 0.5 6) Negative: 1~3 x 106pcs/cm³ 7) Remainder O3: 8) Application: used in hotels, meeting rooms to clear dust and sterilize and used in refrigerators to clear bad smell 9) Wire length: depends on customers\'\' requirements 10) Size: 145 x 58 x 40mm