| Brand | System Sensor |
|---|---|
| Model | 1551B |
| MPN | 1551B |
Check the listing for details. NIB. SYSTEM SENSOR SMOKE DETECTOR 500 SERIES, CAT# 1551B .. UO-86. Condition: New. Listed at 70.00 USD. CAT# 1551B. SYSTEM SENSOR SMOKE DETECTOR. 500 SERIES. SEE ALL PHOTOS FOR MORE DETAILS.