First Alert SC9120B Combination Carbon Monoxide & Smoke Alarm AC
The First Alert SC9120B Combination Carbon Monoxide & Smoke Alarm is a reliable home security device designed to detect both smoke and carbon monoxide. This alarm is powered by a corded electric source and includes a battery backup for added convenience. With its sleek white design and compact dimensions of 6 inches in diameter and 2 inches in depth, this alarm is easy to install and blends seamlessly into any home decor. Compatible with Apple HomeKit, this smoke alarm offers smart home capabilities and features Wi-Fi connectivity for added convenience. Made by First Alert, a trusted brand in home security, this alarm provides peace of mind for you and your family.
BRK First Alert SC9120B Smoke & Carbon Monoxide Alarm*used w/ Bracket & Wires
These were pulled from a new house build and replaced with different alarms. Manufacture and install date is early 2023 so these have lots of life left. Come with mounting plate and wires only, no box or screws.
New Open Box First Alert 9120B Smoke Alarm AC/Battery Backup
The First Alert 9120B Smoke Alarm is a reliable and efficient home security device. With a power source of corded electric and battery backup, this smoke alarm ensures continuous protection even during power outages. It is designed with features such as Apple HomeKit compatibility and Wi-Fi connectivity for added convenience and peace of mind. The durable construction and manufacturer warranty of 10 years make this product a trustworthy choice for keeping your home safe from smoke and gas hazards.
First Alert SC9120B Hardwired Smoke & Carbon Monoxide Detector with Battery Bac
New smoke alarms with boxes little damage otherwise new alarms
First Alert SC9120B Smoke and Carbon Monoxide Detector
First Alert b SMICO100 Carbon Monoxide & Smoke Alarm (6 Pack) open box
The First Alert SMICO100 Carbon Monoxide & Smoke Alarm is a reliable and important safety device for any home. With a corded electric power source and a 10-year limited warranty, this alarm provides peace of mind knowing that it will function for years to come. The smart home compatibility with Apple HomeKit allows for easy integration into your home system, while the battery backup feature ensures that your home is protected even during power outages. With a sleek white color and a 6-inch diameter, this smoke alarm is both functional and stylish, making it a crucial addition to your home security system.
BRK First Alert SC9120B/SMICO100-AC Carbon Monoxide Smoke Alarm AC Power 12 pack
BRK First Alert SC9120B/SMICO100-AC Carbon Monoxide Smoke Alarm AC Power 12 pack
First Alert SMICO100-AC Combination Carbon Monoxide & Smoke Alarm AC Hardwired
The First Alert SMICO100-AC Combination Carbon Monoxide & Smoke Alarm is a hardwired alarm with a 6-inch diameter and a 5.6-inch width. It features a white color, a battery backup, and smart home compatibility with Apple HomeKit. With a battery included and weighing only 0.25lbs, this smoke alarm from First Alert is a reliable and efficient choice for safeguarding your home against potential fires and carbon monoxide leaks.
First Alert SMICO100-AC Hard Wired Carbon Monoxide & Smoke Alarm – Interconnect
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.