Color: Sliver,Black Power: 40W Voltage: AC 100V~240V negative ion concentration: 10million/cm3 N.W.: 2.9kg/pcs G.W.:3.5kg/pcs The range of using: 20-3 m2.                                Product Size: 400X280X105mm,          box size: 445X145X375mm Carton size: 605X455X390mm Packaging Details: 4pcs/ctn G.W. : 16KG/ctn Customized logo & packaging (Min. Order: 1000 Pieces) Feathers: 1,5-stage air filtration system: Pre-filter + Activated carbon + True HEPA + PCO photo-catalyst + Negative ion 2,Indicator light turns red when the filter cartridge needs cleaning or replacement 3,Optional fragrance cartridges for aromatherapy 4,High efficiency performance: (1)Removing formaldehyde 91.3%; removing ammonia 88.6%; (2)Removing benzene 94.7%; removing TVOC 92% (3)Desktop or mounted type air purifier (4)Two-glade fan speed adjustable (5)Remote control operation optional