Unused DSLR flash 4 AA batteries required (not supplied) Supports M/Multi/S1/S2 flash mode -7-90 degree vertical rotation angle 0-180 degree horizontal rotation angle Fixed zoom Specifications: Insulated Gate Bipolar Transistor (IGBT) circuit M/Multi/S1/S2 flash mode Fixed zoom flash coverage Swinging/Tilting flash head (bounce flash) Hot shoe, PC sync port external interface
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