This is an awesome TC helicon Vocal effect stompbox.
here's a link to the tc helicon site for all the specs and info:
https://www.tc-helicon.com/Categories/Tchelicon/Vocal/Stompboxes/MIC-MECHANIC/p/P0CDE#googtrans(en|en)
works great!
adds a nice tonal quality to all your vocal performances!
comes with the power adapter!
swing by and check it out!