Rated 5 out of
Excellent product. Makes Life Easier"This product is designed to make life easier. Gives you control of multiple flashes by way of either ETTL or Manual modes. All adjustments done at your camera with this little device. Set your flash positions and then leave them. The AC3 then takes over. No more fiddling with master slave modes etc, And this unit handles numerous flashes at once. Can even group them into various groups. So easy and pocket wizard has an online free tutorial if your stuck."