[Product Information]

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Works with a vast array of different flashes (including Canon， Nikon， Sony and Pentax)--just change the connecting cable for the correct flash
Option to use 4 or 8 AA Alkaline， Lithium or Ni-MH batteries at a time
Greatly increases the number of flashes and reducing recycling time
With 1/4-20" screw to attach the battery pack to your camera bottom or other places
Includes a carrying case ;Compact and lightweight