The 90-watt Vision X (visionxusa.com) 8.7-inch Light Cannon LED off-road light is the first single-source spotlight to reach out to 3,280 feet (1,000 meters) with usable light.

You can get them in many different styles: halogen or HID, single or duo, 5- or 6-inch, ... Rugged Ridge Round Off-Road Lights; Rough Country LED Bumper from National Tire & Wheel; ...