Coinco BA30B dollar bill validator accepts $1 bills only. It is one of the most dependable and reliable validators on the market. Has a dual interface, single price or multi-price and can run on 115V or 34V MDB. Harness is not included. These units are rebuilt with brand new belts, completely checked out, cleaned and bench tested. We stand behind all of our sales with a 90 day limited warranty on this unit.