Power pro-heads and pro-twin heads with Profoto generators. These portable powerhouses contain all the capacators and fine control for short flash duration shots and consistent high power flash without any timing or colour variation. The Profoto B4 generator is the fastest battery powered generator and it offers you complete freedom to use the full profoto range on location. The Pro10 2400 pack is profoto's first AirTTL compatible generator which will speed up your studio setup.