Check the listing for details. Vivitar Bare Bulb Module for Flash System 4600 zoom head used. Condition: Used. Listed at 59.99 USD. Item is used and untested. It is in ok cosmetic condition but has signs of wear. I do not know what it is compatible with. Only the Vivitar Bare Bulb module seen in the photos is being sold. SOLD AS IS. No returns. Not responsible if not working. Not responsible for copyright infringement. Buyer is responsible for all copyright and legal issues and complaints. Buy at own risk. No seller warranty. No refunds. Not responsible if description or pictures are not accurate. Please inspect photos carefully as the details about the item(s) and its condition may not be listed in the description. Not responsible if damaged. Not responsible if lost in mail even if the item is insured. Not responsible if damaged in mail or transit. Not responsible to late or incorrect shipping dates, estimates, or times. May have cosmetic damage. Not responsible if condition of item(s) is incorrect or false. No responsible if part(s) missing. Anything not pictured is not included.