THIS IS A USED "BALLY SYSTEMS" CLASS 2 POWER SUPPLY. MODEL NUMBER: JK-91501-N. INPUT 120VAC 60 HZ  22W. OUTPUT 9 VDC 1.5A 13.5VA.  PART #AS-36-6507B. IT HAS A CONVENTIONAL 110 PLUG THAT WILL FIT INTO ANY OUTLET. THE OUTPUT CONNECTOR IS BARREL SHAPED WITH 3 PINS IN THE CENTER. THE MOST COMMON APPLICATION IS FOR A BALLY SYSTEMS MASTER COM. THE OUTPUT IS 9 VDC SO IF YOU NEED THIS TYPE OF POWER YOU CAN ATTACH YOUR OWN PLUG FOR THIS GREAT PRICE. HAPPY BIDDING!!