Bestlight 80PCS Super Bright LED Macro Ring Flash MRC-80FV with 6 Different Sizes of Adaptor Rings for Canon, Nikon, Sony, Pentax, Panasonic, Olympus Digital SLR Camera or Camcorder It allows you to do a shadow-free macro shooting The genius design of this ring flash is that it is developed with both continuous lighting and flash function It is developed with the most modern electronic technology, superior performance, innovative design Includes LED Ring Flash MRC-80FV and 6 Different Sizes of Adaptor Rings (52mm/ 55mm/ 58mm/ 62mm/67mm/ 72mm) 4 x AA batteries only to supply the power