Approvals and Standards Conforms to UL 217 8th Edition Standard
Replaces Model 9120B
Battery Included Yes
Power Source Battery, Hardwired
Color White
Item Diameter 5.6 in
Country of Manufacture Mexico
Year Manufactured 2025
MPN BRK Model SMI100-AC
Item Depth 2 in
Brand First Alert
Type Smoke Alarm
Number of Batteries 1
Unit Type lb
Sensor Type Ionization
Manufacturer Warranty 10 Years
Model SMI100-AC
Features End-of-Life Warning, Precision Detection, Battery Backup, Hardwir
Unit Quantity 0.615
Sound Level 85dB at 10 feet
Item Width 5.6 in
Item Weight 0.615 LB
Country of Origin Mexico
UPC 029054022639

Check the listing for details. First Alert SMI100-AC Smoke Detector & Alarm, AC Powered Battery Backup-BRK. Color: White, Condition: New, Made in Mexico. Listed at 24.99 USD. ✔️ Genuine First Alert Smoke Detector – Model SMI100-AC. ✔️ AC Powered with 9V Battery Backup for Continuous Protection. ✔️ LED Indicator Shows Power and Alarm Status. ✔️ Photoelectric Smoke Sensor for Fast and Accurate Detection.

$17.49
$24.99