Increase side visibility with a band of 84 chip-on-board red LEDs behind a faceted lens at the lower edge of each OE saddlebag Plug and play Functions as run/brake/turn on most models (run & turn only function on all FLHR and FLHT, '14-'15 FLHTKSE and '15 FLTRUSE).. LIGHT SDLBG SD MKR SMK/BL