Used to fix the hyper flash of the turn signal after installing LED bulbs. also used to cancel the OBC or Bulb-Out Warning after instal LED bulbs. fully plug and play. simply plug the LED bulb to the socket of the canceller， then insert the plug of the canceller to the factory socket.
Dimensions: 1.97 in x 2.13 in x 1.46 in (5.0 cm x 5.4 cm x 3.7 cm) Weight: 2.54 oz (72 g)