... wall hanging.Area:18m2-60m2Purification Technology:Nano silver photocatalyst anionicFunction air :Bactericidal disinfrction,in addition to smell ,clean ambien. ... *250*150(mm)Weight:2.5kgOperation method:Quiet,Powerful air (with aremotecontrol device)1.NANO-SILVER(AG)PHOTOCATALYST2.3 ... BE CONTROLLED BY THE REMOTE CONTROL)4.SAFE AND RELIABLE PERFORMANCE5.ENERGY-SAVING DESIGN air purifier,air freshener