The GoldenRod Dehumidifier Rod is designed to handle humidity from the interior of your safe locker or cabinet and protects against rust by generating a low level of heat that removes moisture from the air. All GoldenRod Dehumidifier Rods come with a detachable plug for easier mounting. This model must be mounted horizontally at the bottom of an enclosure to work properly.Features:- Removes moisture from gun safe interior- Protects firearm investment- Guards against rust- Easy install quick plug attachment- Mounting brackets included- 110/120 volt ACSpecifications:- Length: 18 - Coverage: 200 Cubic Feet