Power Source:Electrical Type:HEPA Filter Installation:Portable Certification:UL,CE,GS,RoHS,CB,ETL,EMC,UR,SASO,CSA,EMF,LFGB Capacity (CFM):40 Power (W):5 Voltage (V):220 Color:Black Material:ABS Sensor:Odor Sensor Speed:1~3 Applicable area:5 square meter Fans:Double Fans TVOC purifiercation ratio:>98% Control:Touch Noise: