This is a "screen saver CD-ROM" that I purchased new as a souvenir from an aurora trip to Alaska, USA, about 20 years ago!! It's a CD-ROM containing beautiful aurora screen savers for Mac and Windows computers. Please be aware of your PC specifications. It's an old, unused item that has been stored for a long time. Please purchase only if you understand the condition. I hope you will find it useful!! ＜Items for Sale＞ Product Name: Alaska Aurora Screen Saver (CD-ROM) CD-ROM: Please refer to the last image for PC environment details. Please refer to the measuring tape in the image for the size of the main unit. ＜Condition＞ ・Old, unused item that has been stored for a long time. ・Please check the attached images for the condition of the product. ・Please feel free to ask any questions or request additional photos in the comments. ＜Notes＞ ・Please purchase only if you understand the condition of this old, long-term storage item. ・Please be aware of your PC environment. ・Please consider this item with the understanding that it is a used item that has been stored for a long time by an amateur, and has been inspected. ・Please forgive any oversights due to my amateur inspection and presbyopia. ・Please refrain from extreme price reductions due to shipping costs. ・We will pack it compactly and ship it. (Seller's item number: 1707-YPP)