The Rod dehumidifier uses a simple principle of warming the surrounding air and the warm air rises in an enclosed space.The dehumdifier rod heat up to a rod surface temperature of -50 degree celcius and the warm air circulate throughout moisture filled space.With the constant warm air circulatingwithin the enclosed space it eliminates the dampness and foul smell,keeping the enclosure dry. Thus providing a perfectenvironmentto store your important and valuable items.Therefore,the content will remain protected from formation of rust,mildew,mould etc..