Partsam 4" Round Faceted 15 LED Stop Tail Turn Signal Backup Fog Reverse Marker Lights w Reflector, Universal Round LED Truck/Trailer Lights Mini-Reflex Hardwired (2x Red +2x White) 4" Round 15 LED Light Stop / Tail / Turn Signal backup reverse fog Light --(2) Red & (2) White Stop, Turn, Tail,backup, reverse and fog light functions combined Housing welded together to ensure a permanent and water proof seal. comes with three wires:Red for high brightness / White for low brightness / Black for ground wire For Peterbilt FREIGHTLINER KENWORTH etc,Pickup,truck trailer,boat,Lorry,Van,caravan