1.Certificate: CE RoHs 2. voltage :12VDC 3.you can adjust the ozone ... the ozone output.Power: 2.16WPump: 2.15l/min1.Certificate: CE Rosh2. ozone air purifier,adjust the ozone output3.low price ... discharging in a pipe4. Low power consumption5. One year warranty, CE and Rosh approved Benefits:1. Water treatment, sterilization of fruit ...