This CASIO Executive BOSS Illuminator Organizer Scheduling System SF-5780 has been fully tested and is ready for use. With 256kb of installed memory (RAM) and a PDA Series specifically designed for the Casio scheduling system, this device is perfect for organizing your busy schedule on the go. The brand is Casio and it was manufactured in China. It is an excellent addition to your collection of PDAs, and it is sure to make your life much easier.

Doesn’t come with batteries, but works fine, it’s reset for the next owner.