The Mars AE2602 series accepts $1 - $20 bills, it comes with a 500 bill capacity stacker, and is designed for MDB communication. The 500 capacity stacker is available with a locking clasp option that will secure the bills from unwanted tampering. The centric drive technology compensates for skewed bill insertions, ensuring a higher first time acceptance rate for any bill. A quick-release bezel offers fast installation and removal of the bill acceptor without the use of tools. Dual anti-stringing technology provides superior cheat resistance. All in all this Bill Acceptor is well known in the change machine industry.