Functions as low intensity constant on running light with high intensity brake lights and customizable turn signals. Select one of three built-in turn signal modes by using the provided magnet. Turn signals can flash solid on, sequential on (LEDs turn on from center of the bike, outwards) or sequential off (all LEDs on, then turn off from center of the bike, outwards). Extended wire leads plug in to provided wire harness under the seat with built in quick-disconnects for easy removal of saddlebags.