From the Canon Camera Museum:
This month's technical report brings you technical information about the Macro Ring Lite MR-14EX II. The MR-14EX II is the follow-up model to the MR-14EX. It provides more effective lighting for macro photography of flowers and insects as well as for shooting photos of products and people. The MR-14EX II offers a remarkable improvement in operability over its predecessor. The "NEW" beside headings indicates a functional improvement over the MR-14EX.
Technical Report Index
B&H has the Canon Macro Ring Lite MR-14EX II available for preorder.