Non polarity specific which mean you can plug the bulb in either way and it will work just fine.

CANBUS Error free LED , COB chips , 180 degree illumination angle

41mm For Interior (Map, Dome, Cargo, Courtesy) Light, License Plate Light, Parking Light, Turn Signal Light, Corner Light, Side Marker Light, Tail Light, and Backup Lights, Common use for Car, Truck, etc.