770002811538

• 7 — Number system
• 70002 — Manufacturer code
• 81153 — Product code
• 8 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

Gxt digital Pro 512mb sd Ultra high Speed memory card

Search for Gxt digital Pro 512mb sd Ultra high Speed memory card on Amazon (or for the code 770002811538)