Includes 12V power cord with standard 4-flat trailer wire plug that connects directly to your vehicle's trailer light plug. No vehicle wiring required. PowerJack housing has built-in compartment for secure storage of cord. Installs on your trailer frame with U-bolts (included). Raise and lower your trailer coupler with the press of a button! Pull pin and swivel to stow. High impact all-terrain wheel. Metal parts are protected with Dacromet anti-corrosion coating.