High-Output Chip-On-Board (C.O.B.) technology for maximum visibilitySwitchback technology provides red running and brake light with amber turn signalSmaller than a US NickelTrue flush-mountedSelf-containedWaterproofCNC-machined billet aluminum bodies contain internal circuitry, so no additional load equalizer is requiredIncludes fasteners (1 pressure nut and 1 lock nut)