The Camco Refrigerator Vent with Solar Fan with O-Base utilizes innovative technology. It is designed to use the power of the sun to vent your appliance. For your convenience, it fits both domestic and newer Norcold bases. Use this RV vent for your fridge the next time you want to do some traveling. Solar technology lightens the burden of traveling. The solar panel gives it enough power to keep your foods and beverages cool even on cloudy days. It is a unique design for the present day environmentalist and those seeking alternative ways to harness energy. This solar vent system includes a fan and built-in solar panel. It is made from UV-stabilized, durable polypropylene plastic to ensure that it is long lasting and durable. This product is white in color to match most existing designs.