This item includes:

1 DPST toggle switch

1 2.1mm charging jack

1 battery car to engine connector cable end set (2 wire)

1 Charging Jack and charger cable end connector (2 wires)

1 voltage booster to raise battery voltage to 12 volts

2 Battery Trays

1 Control Stand

You are responsible for the wire, heat shrink tubing, radio receiver/DCC controller