New
Arrivals/Restock
First Alert SA521CN-3ST Smoke Alarm Battery Operated 120 Volt
4.3 (126 items)
Limited Time SaleUntil the end
01
46
33
$28.94 cheaper than the new price!!
Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Free cash-on-delivery fees for purchases over $99
See all stores
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
New $57.88
Product details
| Management number | 203861839 | Release Date | 2025/10/14 | List Price | $28.94 | Model Number | 203861839 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
"FIRST ALERT" SMOKE ALARM
- 120V AC/DC
- Easily expand an existing interconnected 120V AC system by replacing one alarm in the series with this alarm
- Add additional battery operated First Alert Onelink enabled alarms to expand without wires
- Photoelectric smoke alarm reduces nuisance alarms
- Alarm and low battery silence feature
- 10 year limited warranty
Home Improvement
All Outdoor
Correction of product information
If you notice any omissions or errors in the product information on this page, please use the correction request form below.
Correction Request Form