Circulate air throughout your RV refrigerator to maximize cooling efficiency and stop frost build-up on the cooling fins due to dormant air Two-speed operation and fan power is controlled with an easy-to-use toggle switch on the front of the fan Attaches directly to the refrigerator's interior cooling fins with included built-in clips Wires directly to your RV's 12 Volt power for seamless operation Includes instructions and all necessary mounting hardware