Specifications:
Wiring Harness: 8ft Universal Wiring Harness Kit - 1 Lead; one set of light connectors to light fixture.
Wire Gauge: 16 AWG; Max Wattage: 300W; Operating Voltage: 12V DC.
5 pin on-off rocker switch; DC 12V automotive relay.

Notice:
Please finish the installation by professionals or install the wiring harness under the guidance of professional.

Switch:
5 pin on-off rocker switch rated at 12V 20A and 24V 10A DC.
Material: Superior ABS+PC; Built-in 2 LEDs, laser-etched pattern.
Product Size: 1.9"(48.3mm) x 1.04"(26.3mm).
Mounting Hole Size: 1.43"(37mm) x 0.84"(21.3mm).