Truck-lite 7" & 4-1/2" Led Headlight Drive Light Set Harley-Davidson Touring When properly mounted, the lamp is designed to conform to the requirements listed in the Department of Transportation (DOT), FMVSS-108 and Transport Canada (TC), CMVSS-108. Headlamps marked with the DOT symbol signifies the lamps are street legal. Provides a brighter, crisper and whiter light output, closer to the color temperature of daylight, dramatically improving light projection distance and overall visibility LEDs are bulb-free, and offer a solid-state design, encapsulated in hardened epoxy, to resist damage caused by shock &amp; vibration, offering as much as 50x longer life than comparable incandescent lamps.