This is a pair of 2001-2005 Lexus IS300 Smoke fog lights. These 2001-2005 Lexus IS300 Smoke fog lights are sold as a pair (left and right side). This pair of 2001-2005 Lexus IS300 Smoke fog lights are designed for stock lights direct replacement. These 01-05 Lexus IS300 fog lights are direct plug and play, does not need to connect to switch. Professional installation is highly recommended.