Buy on Amazon : br br TF-364 Wireless Shutter Remote Control Flash Trigger for PanasonicOlympus br br With flashgun wake-up function will not miss any shooting opportunity br Fire the flashgun through hot shoe part and fire the studio light through PC socket br Can control multiple flashguns and studio lights at the same time br Shutter function includes single continuous bulb and 4-sec delay shooting br Can control multiple cameras for shooting at the same time