Anzo USA 531044 49-Inch 4-Function Universal LED Tailgate Light Bar Tailgate light bar with 4 functions: drive light, brake light, left turn indicator and right turn indicator Thermo-Hygrometer (temperature and humidity chamber) and Rain-Resistant tested SAE (Society of Automotive Engineers) and D.O.T. (Department of Transportation) compliant with FMVSS (Federal Motor Vehicle Safety Standarts) No. 108. Provides a clean look and great match for hi-tech style