This is an IODATA iVDR-S cassette "IVS-500" with 500GB of storage. It can be used for recording on iVDR-S compatible devices such as Hitachi "Wooo" TVs. ・Capacity: 500GB ・The TV has been disposed of, so the operation has not been confirmed. ・There is a possibility that recordings remain, so please initialize it before use. This is a used item, so please consider purchasing it with the above in mind.