042741007757

• 0 — Number system
• 42741 — Manufacturer code
• 00775 — Product code
• 7 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

Universal security instruments smoke detector prem w/batt/ion cs usi ss775-lrc

Search for Universal security instruments smoke detector prem w/batt/ion cs usi ss775-lrc on Amazon (or for the code 042741007757)