SAWE - 1156 BA15S 27-SMD 5050 RV Camper LED Light Bulbs Tail Backup 1141 1003 (2 pieces) (Red) Package Included: 2 x 1156 BA15S 27-SMD 5050 RV Camper LED Light Bulbs Tail Backup 1141 1003 (Red) Cross Reference: 1156 BA15S = 1073 1093 1129 1141 1159 1259 1459 1619 1651 1680 3496 5007 5008 7506 7527. Only for DC 12V vehicles Application:Backup Reserve Light,also Tail light, Some car can use it as Corner light, Stop light, Parking light, Side marker light, ect.Car RV Trailer Camper Boat Interior Light Notice: All LED bulbs have to be plugged in a certain way, it has Positive and Negative. Simply flip it 180 degrees if the LED does not light up.(Reverse the polarity) Common use for RV, Car, Truck, Motorcycle, Boat, Trailer.Placement on Vehicle: Left, Right, Front, Rear