Xprite 1 Leg Heavy Duty Off Road ATV/Jeep LED Light Bar Wiring Harness 12 Voltage - 40 Amp Relay ON/OFF Switch For LED Work Light Lamp & LED Work Light Bar Illuminated on/off switch harness relay wire & 1 set of power connectors to light fixture Compatible with all automobiles and devices equipped with a 12 Volt DC power source. 40A Power Relay & 30A Blade Fuse & Maximum output: 300w Work for 5" - 52" LED work light bar & all types of LED work light More than 6ft of wiring & 1 set of power connectors to light fixture