Take a look at these fresh spring savings. Shop Now >

Link to Lowe's Home Improvement Home Page

Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

First Alert Ac Hardwired Ionization Sensor Smoke Detector

Get Pricing & Availability

Hardwired ionization smoke alarm with 9 Volt battery back up and adapter plugs
Battery backup provides consistent protection for added safety during power outages
Smart technology helps to reduce the number of nuisance alarms

Best Price. Guaranteed

Find a lower price on an exact item? We'll match it. Some exclusions apply.

FREE Returns

Return it in store or ship it back for free. Eligibility rules apply.

FREE Shipping

Delivery is on us for orders over $45. Some exclusions apply.

120 Volt AC ionization smoke alarm with 9 V battery backup. First Alert hardwired alarms can be interconnected with up to eleven additional BRK and First Alert hardwired smoke or CO alarms and six compatible devices.

Hardwired ionization smoke alarm with 9 Volt battery back up and adapter plugs
Battery backup provides consistent protection for added safety during power outages
Smart technology helps to reduce the number of nuisance alarms
Latching alarm indicator remembers which unit initiated an alarm
Perfect mount - allows for easy alignment of alarm
Single button test/silence helps to ensure your alarm is working properly
Includes adapter plugs to easily replace existing alarms without rewiring
10 year warranty