Product picture - Quantum Instruments MS Dedicated Module - to Power Sunpak 4205G, 455, 522, 544, 555, Sunpak 3600 & G4500DX Flashes with Battery 2 Battery Pack Quantum, Instruments, MS, Dedicated, Module, to, Power, Sunpak, 4205G, 455, 522, 544, 555, Sunpak, 3600, &, G4500DX, Flashes, with, Battery, 2, Battery, Pack Click the image to close this page