The golden rod dehumidifier works by slightly increasing the air temperature inside the gun safe or other enclosure.This allows the warm air to circulate throughout the safe on a continual basis, thus eliminating humidity, mildew, and condensation.It runs on 110/120 volt ac.Type: DehumidifierModel Or Style: RodColor: GoldMount: Included BracketsDimensions: 12" LVolt: 110/120VFunction: Dehumidify