The Heavy-Duty Electric Contactor protects your ATV's electrical system regulates the power direction of your winch based on input from your winch switches. This is a Replacement Winch Contactor that works with most winches brands. It requires the correct rocker switch with three wires to operate. Protects your ATV & UTV's electrical system. Switches the power distribution of your winch. Works with most winches brands. Upgrades to most ATV/UTV winch system stock contactors. Requires a rocker switch with three wires. Requires 2 female spade terminals(one male and one female) for connection to switch (not included). This contactor is shipped as shown in the images. Do not anticipate additional components or wiring. Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Material: Metal colour: black Package Contents: 1 x Winch Contactor Solenoid Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.