| Brand | System Sensor |
|---|---|
| Model | 2W-B |
| Type | Smoke Detectors |
| MPN | 2W-B |
Check the listing for details. System Sensor, 2W-B, I3 SERIES DETECTOR, 2-WIRE, 12/24 VDC WITH BASE. Condition: New. Listed at 45.00 USD. The 2W-B smoke detector is not the typical conventional detector. The 2W-B features both a local and remote maintenance signal that indicates when the smoke detector needs cleaning. The two-wire 2W-B smoke detector also provides loop verification via the EZ Walk loop test feature.