-Voltage supply: d.c 12 V -Power rating竊�W -Ions竊�,000,000 ions/cm3 -Product size竊�20*180*57(mm) -Net weight竊�.395KG -Applicable area竊�2 -Air flow volume竊�m3/h It adopts solar battery, infrared and UV light which for power supply, health protection and anti-bacteria. Together with the biologic HEPA and washable ionizer, BL-727 shows you its beauty of nature, ecotypic and humanism.