This effect works great - must have a guitar plugged into it to create the proper hamonies - higth or low - to operate correctly. You'll love it! No wall wart supplied.
Bank wire transfer (preferred) or Pay Pal
24 hour approval. Return less all shipping, handling and Pay Pal expense. Beware of stores that say, "call for details", have a "re-stocking" charge or "no refunds - store credit only". I was just victimized this way in April, 2013 by a store in Missouri. Ask who and I will tell you.