- Model: FB-1
<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 Canon CP-E4 battery pack
<br />- Built-in thermal protection switch
<br />- Designed for Canon 580EX II/580EX/MR-14EX/MT-24X
<br />- Cable length: 150cm
<br />- Comes with soft nylon case
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<br />                                                                            Dimensions: 7.09 in x 2.83 in x 1.38 in (18 cm x 7.2 cm x 3.5 cm)
<br />Weight: 7.87 oz (223 g)                        
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