KeyboardPartner HX3 Organ Module. I've read that they are the best midi Hammond B3 / Leslie speaker cabinet clones available. Untested for function as I have no equipment to do such, but it powered on readily and the condition looks to be very lightly used. No power supply is included but it uses standard 9-12V DC adaptors that are readily available.
If you're looking at this, I'm assuming you know what it is. I hope so, because I only know what I've read in researching this listing. Just in case, here is a link to the manufacturer's wiki:
The items you see in the photos are the exact pieces you will receive. Please ask any questions before bidding and I'll help however I can. No returns for any reason. Thanks!