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🚨 Stay ahead of danger with 10 years of smart, seamless safety!
The FIRST ALERT SC9120B is a hardwired combination smoke and carbon monoxide alarm featuring convenient adapter plugs for easy replacement, a 10-year lithium battery backup for continuous monitoring, and advanced sensing technology to minimize false alarms. With an 85-decibel siren and clear indicator lights, it delivers reliable alerts, while tamper-resistant design and end-of-life signals ensure long-term safety and peace of mind.
| Brand | First Alert |
| Power Source | Corded Electric |
| Color | white |
| Product Dimensions | 0.07"D x 0.22"W x 0.22"H |
| Item Weight | 0.63 Pounds |
| Alarm | Audible |
| Sensor Type | Electrochemical |
| Global Trade Identification Number | 00029054018786 |
| Material | Plastic |
| Number of Items | 1 |
| Manufacturer | First Alert |
| Style | Hardwired |
| UPC | 029054018786 |
| Part Number | 1039807 |
| Item Weight | 10.1 ounces |
| Item model number | SC9120B |
| Batteries | 1 Lithium Metal batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Size | No Size |
| Pattern | Alarm |
| Shape | Triangle |
| Item Package Quantity | 1 |
| Included Components | Alarm, Battery |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Metal |
| Warranty Description | Warranty |
E**B
Easy install
This was a replacement for an 8 year old identical item that went bad. Easy to switch out and appears to be working fine.
H**N
Very Pleased
I am very pleased with this product and it is exactly what I have ordered and got delivered earlier than expected. It also had a battery already inside the unit. The installation was easy. Remember that First Alert makes different models of their smoke alarms. Just make sure you order the correct model if you are replacing your existing unit. The model number is on the back of the unit. You should also conduct a test of the unit to make sure the installation has taken place correctly. Also, you can save yourself a lot of money by doing this yourself and not calling an electrician. They charge an arm and a leg.
P**.
Fire and CO2 Alarm.
It was the exact alarm I had before so I didn’t have to worry about size or rewiring. It’s worked well over the years. No complaints.
S**6
Good, but expensive, replacement for older First Alert SC9120B Smoke/CO alarm
We have a whole house full of these First Alert SC9120B Smoke/CO detectors that were installed in 2013. A couple of them have had to be replaced over the last few years. This is the exact model replacement and was easy to swap out for the old one, and it's working great. Bottom line is that I'm glad it was available, but I can only give it four stars due to the relatively high price.
K**R
Easy to install
Easy to install
G**F
Easy Retrofit
Product was exactly as described and we were able to replace our old smoke detectors seamlessly.
E**L
So far so good no alarms
Needed a pair that wirelessly talked to each other for the tesla battery in the garage.Seems fine. Of course you never know until its tested.
B**S
Easy install
Solved my problem instantly. Easy to install.
Trustpilot
Hace 1 día
Hace 4 días
