Buy from Amazon.com : http://fave.co/19rAr4a <br /><br />YONGNUO YN-460 Flash Speedlight for Sony Alpha A950 A900 A850 A700 A580 A560 A550 A500 A450<br /><br />Product Description : <br />Flash index 33 <br />Circuit design IGBT <br />Updown ward angle 0 to 90 degrees <br />Leftright angle 0 to 270 degrees <br />Power source 4 x AA size batteries Alkaline or Ni-MH are usable
