• To identify the location
  • Compatible with:
    • Detector base FDB2xx/‑AA
    • Detector base FDB271
    • Sounder base FDSB29x
    • Base attachment FDB291
    • Interbase FDSB22x
    • Base (wall mounting) FDB226‑x
    • Base deep (wall mounting) FDB227‑x
    • Sounder beacon base FDSB226
    • Voice sounder beacon base FDSB227
  • Order number: A5Q00002621