- Model: FB-2
<br />- External power source for higher flash capacity
<br />- Supports two group of symmetrical charge system; you can install 8 AA batteries to supply sustaining power
<br />- Compatible with genuine Nikon SD-9 battery pack
<br />- Built-in thermal protection switch
<br />- Designed for Nikon SB-900
<br />- Cable length: 150cm
<br />- Comes with soft nylon case
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<br />                                                                            Dimensions: 6.89 in x 2.8 in x 1.38 in (17.5 cm x 7.1 cm x 3.5 cm)
<br />Weight: 7.2 oz (204 g)                        
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