Yongnuo Professional YN 560 III Flash Speedlight Flashlight with 8 X EdisonBright Ni-MH rechargeable AA batteries bundle for Canon Nikon Pentax Olympus Camera / Such as: Canon EOS 1Ds Mark, EOS1D Mark, EOS 5D Mark, EOS 7D, EOS 60D, EOS 600D, EOS 550D, EOS 500D, EOS 1100D (Discontinued by Manufacturer) Guide Number: 58(ISO 100, 105mm) Vertical Rotation Angle: -7 ~ 90 degree Zoom Range: Auto, 24, 28, 35, 50, 70, 80,105mm Power Supply: 4 x AA Battery (Alkaline or Ni-MH are usable) 8 X EdisonBright Ni-MH rechargeable AA batteries included in bundle