First Alert SMICO100-AC Hard Wired Carbon Monoxide & Smoke Alarm - Interconnect
First Alert SMICO100-AC Hard Wired Carbon Monoxide & Smoke Alarm - Interconnect gallery First Alert SMICO100-AC Hard Wired Carbon Monoxide & Smoke Alarm - Interconnect gallery First Alert SMICO100-AC Hard Wired Carbon Monoxide & Smoke Alarm - Interconnect gallery First Alert SMICO100-AC Hard Wired Carbon Monoxide & Smoke Alarm - Interconnect gallery First Alert SMICO100-AC Hard Wired Carbon Monoxide & Smoke Alarm - Interconnect gallery First Alert SMICO100-AC Hard Wired Carbon Monoxide & Smoke Alarm - Interconnect gallery First Alert SMICO100-AC Hard Wired Carbon Monoxide & Smoke Alarm - Interconnect gallery First Alert SMICO100-AC Hard Wired Carbon Monoxide & Smoke Alarm - Interconnect gallery

First Alert SMICO100-AC Hard Wired Carbon Monoxide & Smoke Alarm - Interconnect

USD 38.00 USD
SKU: 3BkRXB2Z
Brand: First Alert
MPN: SC9120B
GTIN: 0029054513069
Condition: Open box

Perfect condition combination hard wired smoke and carbon monoxide detector. Manufactured April 2026 (see photo). I tried to install but brand did not match my other alarms. Includes wiring harness and ceiling mount ring. Battery strip was just pulled and includes original battery.

Tags: 0.25lbs 0029054513069 2 in 2026 5.6in 6 in Battery Backup BRK SC9120B Corded Electric First Alert SC9120B Smoke Alarm White Wi-Fi wireless interconnected Yes
Categories: Home & Garden

Specifications

Battery IncludedYes
Power SourceCorded Electric
ColorWhite
Item Diameter6 in
MPNSC9120B
Year Manufactured2026
Item Depth2 in
BrandFirst Alert
TypeSmoke Alarm
ModelBRK SC9120B
FeaturesBattery Backup
Smart Home ProtocolWi-Fi
Item Width5.6in.
Item Weight0.25lbs.
UPC0029054513069

Perfect condition combination hard wired smoke and carbon monoxide detector. Manufactured April 2026 (see photo). I tried to install but brand did not match my other alarms. Includes wiring harness and ceiling mount ring. Battery strip was just pulled and includes original battery.

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