The Tri-Star XP module converts the rear turn signal lights to function as brake and turn signal lights...and now has running light capabilities When the brakes are applied, the turn signal lights illuminate If a turn signal is applied, it has priority over the brake light function on the side that is selected If the turn signal is canceled and the brakes are still applied, the brake light function of the turn signal lights illuminate steady on Voltage is 12 VDC switched negative ground Max load capacity is 6 amps per left or right channel Dimension: 2-1/4" L x 1-5/8" W x 5/8" H Mount to a secure flat surface with double sided VHB tape (included); Note: If your bike does not have a variable load turn signal flasher, a Dual Load Equalizer will be needed for this installation 340-300