Rig Rite Headlight Dimmer Switch. You can control the light intensity emitting from your boat's headlights with this dimmer switch. It is compatible with most 14 to 22 foot fishing boats. Refer to manufacturer recommendations to ensure a proper fit. Features of Rig Rite 530 Headlight Dimmer Switch Gives boat headlights a longer life span Controls the light intensity emitting from the boat headlights Will fit most 14 to 22 foot fishing boats Maximum Amperage: 10 Amps Refer to manufacturer recommendations to ensure a proper fit Package Contents: Rig Rite 530 Headlight Dimmer Switch Rig Rite 530: Headlight Dimmer Switch