Specification: <br/>  YN-14EX can automatically save your current operating settings to convenient your next use. <br/>  <br/> Specification Macro Ring Flash YN-14EX <br/> Circuit Design Insulated Gate Bipolar Transistor <br/> Type Automatic annular flash for macro shots <br/> Guide No. 14 ( ISO100, 105mm ) <br/> Flash Coverage Vertical rotation angle about 80 degree / Horizontal rotation angle about 80 degree <br/> Flash Mode TTL, M <br/> Lighting Times 200-2500times <br/> Color Temperature 5600k <br/> External Interface Shoe, PC port and external charging port <br/> Flash Ratio Control With the precision of 1/2 EV within the range of 8:1 - 1:1 - 1:8 <br/> Power Supply 4 AA alkaline battery or AA Nichelmetal hydride battery ( NI-MH ) <br/> Recycle time approx 3S <br/> Flash Control 7 levels of output control ( 1/64 - 1/1 ), 19 levels of fine tuning <br/> Flash Unit Dimension 135 * 123 * 26mm <br/> Control Unite Dimension 153 * 74 * 56mm <br/> Net Weight 420g <br/>  <br/>  <br/> Package contents: <br/>  <br/> 1 x Yongnuo YN-14EX Macro Ring LITE Flash Light  <br/> 4 x Adapter rings ( 52mm, 58mm, 67mm, 72mm )  <br/> 1 x Protection Bag <br/> 1 x Manual in English and Chinese <br/>