https://community.usa.canon.com/t5/Speedlite-Flashes/where-do-i-find-the-serial-numbers-on-the-speedlites/m-p/141583#M2597 Thank you, Bob. Sun, 24 May 2015 05:45:47 GMT cathyw 2015-05-24T05:45:47Z https://community.usa.canon.com/t5/Speedlite-Flashes/where-do-i-find-the-serial-numbers-on-the-speedlites/m-p/141574#M2595 <P>I have long since thrown out boxes for my 580 exII speedlite. Where do I find the serial number on the unit?</P> Sat, 23 May 2015 23:30:19 GMT https://community.usa.canon.com/t5/Speedlite-Flashes/where-do-i-find-the-serial-numbers-on-the-speedlites/m-p/141574#M2595 cathyw 2015-05-23T23:30:19Z https://community.usa.canon.com/t5/Speedlite-Flashes/where-do-i-find-the-serial-numbers-on-the-speedlites/m-p/141582#M2596 <P>It's on the section of the unit that carries the light, on the side opposite to the one that says "SPEEDLITE 580EXII". It's on a panel with a bunch of symbols, beginning with the symbol for "Don't throw this in the trash". It's under the symbol for "This unit operates at 6 volts".</P> Sun, 24 May 2015 05:34:42 GMT https://community.usa.canon.com/t5/Speedlite-Flashes/where-do-i-find-the-serial-numbers-on-the-speedlites/m-p/141582#M2596 RobertTheFat 2015-05-24T05:34:42Z https://community.usa.canon.com/t5/Speedlite-Flashes/where-do-i-find-the-serial-numbers-on-the-speedlites/m-p/141583#M2597 Thank you, Bob. Sun, 24 May 2015 05:45:47 GMT https://community.usa.canon.com/t5/Speedlite-Flashes/where-do-i-find-the-serial-numbers-on-the-speedlites/m-p/141583#M2597 cathyw 2015-05-24T05:45:47Z