Clean, efficient and secure protection from the elements for the male plug of your trailer's wiring harness, while the trailer is not in use. Mount to the hitch frame or the 5th wheel box of the trailer and simply pull back the spring loaded hinged cover on the female opening and insert the male plug. There is no electrical connection.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov