Feature 1.Negative ions will combine ith pollutants in the air and can effectively remove particles as small as 0.01 microns from the air 2. It is highly suitable for daily use in the whole house, In the bed rooms, living room, dining room, hall.meeting room and office 3. whisper quiet operation 4. Fashion design Specification Coverage 5m2 Voltage/power AC 100-250V/50-60 Hz/ <1W Anion density >3.0*106pcs/cm3 Ozone density <0.05ppm Life >8000h Net/Gross weight (g) 59g/84g Product size/packing size(mm 56*103/60*60*118 Master Carton sizecm 62*32*25.8 psc/CTN