Owned this since about 1992 but it's spent most of it's life with me in it's original box at the back of the drawer. No power supply or battery. Will run off a 9v adapter or a 9v battery. Great vintage analogue stereo or direct mono chorus that will set you apart from the crowd from the usual contenders.This item is in the category "Musical Instruments & DJ Equipment\Guitars & Basses\Parts & Accessories\Effects Pedals\Chorus". The seller is "fivegocamping" and is located in this country: GB. This item can be shipped to United Kingdom.