A completely sealed automatic power line disconnect. This prevents contamination of the mechanism by road dirt and insures long reliable life. It comes with a weatherproof cover that is spring loaded to close, preventing water from entering when the shore line is not connected. A solenoid wired to the vehicles starter is energized when the engine is started. This instantaneously drives the plug from the receptacle. This simple reliable device eliminates forever the broken cables which result when drivers forget to remove the shore line driving away. Available with(Super Auto Eject) or without(Auto Eject) sealed housing. All units come with 120v AC connector. Please specify amps, housing and color. Ship. wt. 2 lbs.