The Apex 7000 is a second generation bill acceptor with superior ability to recognize fraudulent bills, has lighted arrows on bill entry mechanism to capture interest and increase usage, and uses optical, dual-stage anti-stringing technology. It uses 12VDC as the standard or an optional 120VAC internal power supply. It self-calibrates automatically, meaning the user does not have to. With these and many other top quality features, it's no wonder business owners worldwide trust the APEX-7000 to secure their changemaker reliably.