no, the light doesnt have a memory mode. A memory mode would make that light good for my needs.
not to rain on your parade or anything, but check it on the bench first, these things that SAY they have a memory mode, can still JUMP modes on turn on. mabey its my turn on, but things just dont always work the way they SAY.
with that said, first thing you gotta do is tear it apart, with it still being on single pieces afterwards

, and capable of being reassembled.
1) is it glued?
2) is the driver held with a brass thread piece with 2 flat blade type notches in it?
3) does the driver board actually FIT the hole, you might have to shave the edges a bit
4) can you get to the connection wiring, without removing the led head ? is IT glued
you dont really have to "have" all the tools, but often even if you do have the tools you have to MAKE UP something to do the task, so having a sander/bench grinder, soldering gun, heat gun or hair dryer, replacement wire, strap wrenches, rubber junk for grabbing/holding stuff, and mabey something (Vice and mini vice fingers) or someone to HOLD things in place.
and yes you can get all that for less then $50, even if it wont be perfect.