Verifone Tranz 420
     Verifone 420 makes it easy to expand existing applications or add new ones.  The slide-in cartridge provides up to 256k of additional random access memory (RAM). Giving you the power you need to handle larger applications or to add new functions to your existing ones.
     What's more, Verifone 420 works where you need it. The built-in battery let you process up to 200 transactions without  AC power. That means you can take it with you anywhere in the world. With an adapter, it even runs on the power supplied by your car battery.

    Verifone  420 supports a PINpad or a bar code wand. So you can easily expand your capabilities. You also can add, update and create applications with minimal effort-using the Verifone programming language designed specially for transaction processing.

    A versatile transaction system, Verifone  420 delivers low cost credit card verification and check guarantee. In addition. it performs specialized business functions such as price look-up, negative file storage, draft capture and inventory control. And it is used in applications that help hospitals, pharmacies and government agencies determine a person's eligibility for benefits programs.