... NI-MH Battery 3.Energy Conservation Small and Light type Air Purifier Function and Character:1.Through the ultraviolet lamp ... strong hydroxyl;2.Effectively degrade the benzene,formaldehyde,ammonia and so on harmful matters;3.Strongly eliminate smoke, ... pollution;4.Widespread sterilization surface:bacterium,fungus,germ,rickettsia and mildew5.Without saturated problem,economical,convenient maintain,long ...