Casio SF-5980 Business Organizer Scheduling System - 512KB .  The unit has one row of dead pixels.  It still functions normally and is usable.

PLEASE READ CAREFULLY.  Item is eligible for a 30-day return policy. Buyer pays return shipping. Item must be returned in the EXACT same condition as purchased to receive a 100% full refund.  If item is opened, used, altered, or had any of the original packaging removed or damaged,  only a partial refund will be issued to match the new sellable condition of the item.