Description: You'll want to add this jumbo desk calculator to your promotion to multiply brand exposure! This dual powered, full function, eight digit calculator with angled LCD is jumbo sized with large raised, rubberized keys. It features a 1 button inserted cell battery. It features easy to read display making it great to keep on the desk within easy reach! Customize with your corporate name and logo to create a useful promotional gift! Lifetime guarantee. Supplier is QCA certified.