Indicator lights with tubular fixation system to be placed under your bike seat. This product comes with 3 lighting modes : – Left lighting arrow : To inform you turn to the left – Right lighting arrow : To inform you turn to the right – SOS (CENTRAL RED LED BAR) to signal your position & inform that you have a problem. Provided with a remote control to place on your bike’s handlebar, you can order remotely & control safely the light signals while riding your bike.