Polaroid Pro Flexible Twin Macro Flash & LED Light with Independent Flexible Arms Worlds Most Powerful Twin Macro Flash Turns the Night into the Brightest Da Use The 5600K LED Light Together or Separate For Your Macro Photography Dedicated 8 Levels of Brightness Controls Easily Enable the Finest Exposure Results , + Independently Power On/Off Each Flash And / Or LED Independent Flexible Arms Help set up Flash for Accurate Light Applications Central Horizontal Hinge Offers a Smooth (Vertical) 270 Tilting Range , + Features Hot Shoe & PC Port as External Connections; Runs on 4 AA Batteries