Rear light is powered through the front light, so if the front light has a switch (all B&M ones do) then that will shut off the rear at the same time (remember the standlight will need to discharge). You only need a switch (maybe a toggle) to control the light/igaro combo.
Rear light is powered through the front light, so if the front light has a switch (all B&M ones do) then that will shut off the rear at the same time (remember the standlight will need to discharge). You only need a switch (maybe a toggle) to control the light/igaro combo.