






First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack
Compare price from $11.90 ~ $204.45ADVERTISEMENT
Compare Buying Options
Sort by Lowest Price | Item price | Delivery | Visit site |
---|---|---|---|
![]() The Fire Alarm Supplier BRK SMI100 Battery-Operated Smoke Alarm (1046832) | $11.90 | Delivery date & cost shown at checkout | |
![]() eBay First Alert 9120b/ Smi100-ac Smoke Detector Alarm Ac Powered Battery | $16.00 | Delivery date & cost shown at checkout | |
![]() eBay Brk First Alert Smi100-ac (1046836) Interconnect Hardwire Smoke Alarm | $19.70 | Delivery date & cost shown at checkout | |
![]() eBay BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector | $19.99 | Delivery date & cost shown at checkout | |
![]() eBay First Alert Smoke Detector & Alarm Powered Battery 1046727 | $21.99 | Delivery date & cost shown at checkout | |
![]() eBay First Alert Smoke Alarm Hardware Replacement Electric Precision | $22.00 | Delivery date & cost shown at checkout | |
![]() eBay First Alert 9120b/ Smi100-ac Smoke Detector & Alarm, Ac Powered | $23.50 | Delivery date & cost shown at checkout | |
![]() eBay First Alert - Smoke Alarm - Wired - Quick Connect Plug - Brand | $23.99 | Delivery date & cost shown at checkout | |
![]() eBay First Alert Smoke Alarm AC/DC with ADP SMI100-AC, White, Wired, Battery Backup, Bluetooth | Google Home | 2024 | 0029054022424 | 0.5 lb | 2 in | 6 in | $24.99 | Delivery date & cost shown at checkout | |
![]() eBay First Alert Standar Wired Smoke Alarm | $24.99 | Delivery date & cost shown at checkout | |
![]() eBay First Alert - Smoke Alarm - Wired - Quick Connect Plug | $25.99 | Delivery date & cost shown at checkout | |
![]() eBay First Alert Hard-wired W/battery Back-up Ionization Smoke Detector | $29.74 | Delivery date & cost shown at checkout | |
![]() eBay Brk First Alert Smi100-ac Hardwired Smoke Alarm With Battery Backup | $30.00 | Delivery date & cost shown at checkout | |
![]() eBay Brk Hard-wired W/battery Back-up Ionization Smoke Detector - N/a | $30.72 | Delivery date & cost shown at checkout | |
![]() eBay 2 PC First Alert Alarm Smoke AC/DC Hardwire Replacement | $43.00 | Delivery date & cost shown at checkout | |
![]() eBay SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack | White | First Alert | SMI100AC | $56.86 | Delivery date & cost shown at checkout | |
![]() eBay First Alert 4PK Hardwired Smoke Alarm SMI100-AC | White | $74.99 | Delivery date & cost shown at checkout | |
![]() eBay Lot of 7 First Alert BRK SMI100-AC Hardwired Smoke Alarm with 9V Battery Backup | White | $140.00 | Delivery date & cost shown at checkout | |
![]() eBay First Alert Smi100-ac Hardwire Interconnect Smoke Alarm With Battery | $194.99 | Delivery date & cost shown at checkout | |
![]() LBC Lighting Pro BRK SMI100-AC Interconnectable Ion Smoke Alarm W/Battery Backup | $16.95 | Delivery date & cost shown at checkout | |
![]() Electrical Marketplace Hardwired Smoke Detector with Battery Backup | 120V AC Interconnectable Alarm with Silence & Latching Features | $16.98 | Delivery date & cost shown at checkout | |
![]() Amazon.com First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack | $18.60 | Delivery date & cost shown at checkout | |
![]() Diglo BRK First Alert SMI100-AC Hardwired Smoke Alarm | $18.60 | Delivery date & cost shown at checkout | |
![]() FirstAlertStore.com Precision Detection Interconnect Hardwired Smoke Alarm with Battery Backup | $24.95 | Delivery date & cost shown at checkout | |
![]() ADCO Hearing Products BRK First Alert SMI100-AC Hardwired Smoke Alarm | $27.00 | Delivery date & cost shown at checkout | |
![]() Fleet Farm First Alert Interconnect Hardwire Smoke Alarm with Battery Backup | by Fleet Farm | $27.99 | Delivery date & cost shown at checkout | |
![]() Zoro First Alert 1046834 Hard-Wired W/battery Back-Up Ionization Smoke Dete | $28.15 | Delivery date & cost shown at checkout | |
![]() Zoro First Alert 1046836 Smoke Alarm, Ionization Sensor, White | $32.99 | Delivery date & cost shown at checkout | |
![]() Wayfair First Alert Hard-Wired w/Battery Back-up Ionization Smoke Detector 1 pk First Alert | $34.99 | Delivery date & cost shown at checkout | |
![]() Uber Eats First Alert Precision Detection Interconnect Hardwired Smoke Alarm | $40.63 | Delivery date & cost shown at checkout | |
![]() Grainger Industrial Supply BRK Smoke Alarm: Smoke, 10 Year Sealed Battery, Smoke Detector, Ionization, Sealed Battery [PK/6] Model: SMI110 | $204.45 | Delivery date & cost shown at checkout | |
- 11.90The Fire Alarm Supplier
BRK SMI100 Battery-Operated Smoke Alarm (1046832)
Delivery date & cost shown at checkout
- 16.00eBay
First Alert 9120b/ Smi100-ac Smoke Detector Alarm Ac Powered Battery
Delivery date & cost shown at checkout
- 19.70eBay
Brk First Alert Smi100-ac (1046836) Interconnect Hardwire Smoke Alarm
Delivery date & cost shown at checkout
- 19.99eBay
BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector
Delivery date & cost shown at checkout
- 21.99eBay
First Alert Smoke Detector & Alarm Powered Battery 1046727
Delivery date & cost shown at checkout
- 22.00eBay
First Alert Smoke Alarm Hardware Replacement Electric Precision
Delivery date & cost shown at checkout
- 23.50eBay
First Alert 9120b/ Smi100-ac Smoke Detector & Alarm, Ac Powered
Delivery date & cost shown at checkout
- 23.99eBay
First Alert - Smoke Alarm - Wired - Quick Connect Plug - Brand
Delivery date & cost shown at checkout
- 24.99eBay
First Alert Smoke Alarm AC/DC with ADP SMI100-AC, White, Wired, Battery Backup, Bluetooth | Google Home | 2024 | 0029054022424 | 0.5 lb | 2 in | 6 in
Delivery date & cost shown at checkout
- 24.99eBay
First Alert Standar Wired Smoke Alarm
Delivery date & cost shown at checkout
- 25.99eBay
First Alert - Smoke Alarm - Wired - Quick Connect Plug
Delivery date & cost shown at checkout
- 29.74eBay
First Alert Hard-wired W/battery Back-up Ionization Smoke Detector
Delivery date & cost shown at checkout
- 30.00eBay
Brk First Alert Smi100-ac Hardwired Smoke Alarm With Battery Backup
Delivery date & cost shown at checkout
- 30.72eBay
Brk Hard-wired W/battery Back-up Ionization Smoke Detector - N/a
Delivery date & cost shown at checkout
- 43.00eBay
2 PC First Alert Alarm Smoke AC/DC Hardwire Replacement
Delivery date & cost shown at checkout
- 56.86eBay
SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack | White | First Alert | SMI100AC
Delivery date & cost shown at checkout
- 74.99eBay
First Alert 4PK Hardwired Smoke Alarm SMI100-AC | White
Delivery date & cost shown at checkout
- 140.00eBay
Lot of 7 First Alert BRK SMI100-AC Hardwired Smoke Alarm with 9V Battery Backup | White
Delivery date & cost shown at checkout
- 194.99eBay
First Alert Smi100-ac Hardwire Interconnect Smoke Alarm With Battery
Delivery date & cost shown at checkout
- 16.95LBC Lighting Pro
BRK SMI100-AC Interconnectable Ion Smoke Alarm W/Battery Backup
Delivery date & cost shown at checkout
- 16.98Electrical Marketplace
Hardwired Smoke Detector with Battery Backup | 120V AC Interconnectable Alarm with Silence & Latching Features
Delivery date & cost shown at checkout
- 18.60Amazon.com
First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack
Delivery date & cost shown at checkout
- 18.60Diglo
BRK First Alert SMI100-AC Hardwired Smoke Alarm
Delivery date & cost shown at checkout
- 24.95FirstAlertStore.com
Precision Detection Interconnect Hardwired Smoke Alarm with Battery Backup
Delivery date & cost shown at checkout
- 27.00ADCO Hearing Products
BRK First Alert SMI100-AC Hardwired Smoke Alarm
Delivery date & cost shown at checkout
- 27.99Fleet Farm
First Alert Interconnect Hardwire Smoke Alarm with Battery Backup | by Fleet Farm
Delivery date & cost shown at checkout
- 28.15Zoro
First Alert 1046834 Hard-Wired W/battery Back-Up Ionization Smoke Dete
Delivery date & cost shown at checkout
- 32.99Zoro
First Alert 1046836 Smoke Alarm, Ionization Sensor, White
Delivery date & cost shown at checkout
- 34.99Wayfair
First Alert Hard-Wired w/Battery Back-up Ionization Smoke Detector 1 pk First Alert
Delivery date & cost shown at checkout
- 40.63Uber Eats
First Alert Precision Detection Interconnect Hardwired Smoke Alarm
Delivery date & cost shown at checkout
- 204.45Grainger Industrial Supply
BRK Smoke Alarm: Smoke, 10 Year Sealed Battery, Smoke Detector, Ionization, Sealed Battery [PK/6] Model: SMI110
Delivery date & cost shown at checkout
Product Details
Best Review
Customers find the smoke detector easy to install with helpful instructions and appreciate that it works well as a replacement for Kidde models. The product is solidly built and customers consider it great value for money. However, the chirp frequency receives mixed reviews, with some customers reporting it chirps every 60 seconds. The battery power aspect also gets mixed feedback, with some customers noting it comes with a backup while others mention issues with low batteries.AI Generated from the text of customer reviews
Popular Products

2-Pack 10FT USB Power Extension Cable for Wyze Cam,WyzeCam Pan,YI Home Camera,Nest-Cam Indoor,Oculus Go,Netvue,KasaCam,Furbo Dog,Blink,Flat USB to Micro USB Charging Charger Cord for Wyze-Cam v3 v2
$8.99
Compare at 3 stores

HONGDAK Action Camera Accessories Kit for GoPro Hero 13 12 11 10 9 Black, Waterproof Housing+Silicone Case+ Adjustable Arm+Head Chest Wrist Strap+Bike Mount+Suction Cup+Floating Grip Bundle Set 63in1
$31.99
Compare at 3 stores

JJC E-Mount Body Cap & Rear Lens Cap Cover Kit for Sony A7 A7II A7III A7IV A7S II III A7R II III IV A7RV A7CR A7C II A6700 A6600 A6400 A6300 A6100 A6000 A1 II ZV-E10 II ZV-E1 & More Sony Camera & Lens
$5.99
Compare at 2 stores

Altura Photo 58MM Tulip Flower Lens Hood for Canon EOS 77D 80D 90D Rebel T8i T7 T7i T6i T6s T6 SL2 SL3 DSLR Cameras with Canon EF-S 18-55mm f/3.5-5.6 is Lens and Select Nikon Lenses
$9.99
Compare at 4 stores

Micro USB Cable,2Pack Extra Long Android Charger Cable 10Ft 6Ft, EnduringFast Phone Charger Cord Android USB Charging Cable Fit for Samsung Galaxy S7 S6 S7 Edge S5,Note 5 4,LG G4,HTC,PS4,Camera,MP3
$6.99
Compare at 9 stores