First Alert The product helps protect your home from 2 potentially deadly threats by providing up to a decade of uninterrupted monitoring. Equipped with dual sensors, this low-profile alarm detects smoke from slow-burning, smouldering fires and elevated carbon monoxide levels. This detector has a slim, contemporary design that mounts unobtrusively on a wall or ceiling. A built-in 10-year Li-Ion battery provides continuous power, with no need to ever worry about changing the battery during the lifetime of the alarm.
First Alert The product helps protect your home from 2 potentially deadly threats by providing up to a decade of uninterrupted monitoring. Equipped with dual sensors, this low-profile alarm detects smoke from slow-burning, smouldering fires and elevated carbon monoxide levels. This detector has a slim, contemporary design that mounts unobtrusively on a wall or ceiling. A built-in 10-year Li-Ion battery provides continuous power, with no need to ever worry about changing the battery during the lifetime of the alarm.
in 4 offers
The lowest price for First Alert Smoke and Carbon Monoxide Alarm with 10-Year Battery right now is $63.55 at churchofjesuschrist.org, compared across 3 retailers.
The all-time low was $63.55 on 31 May 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 3 Nov 2026.
First Alert Smoke and Carbon Monoxide Alarm with 10-Year Battery
First Alert The product helps protect your home from 2 potentially deadly threats by providing up to a decade of uninterrupted monitoring. Equipped with dual sensors, this low-profile alarm detects smoke from slow-burning, smouldering fires and elevated carbon monoxide levels. This detector has a slim, contemporary design that mounts unobtrusively on a wall or ceiling. A built-in 10-year Li-Ion battery provides continuous power, with no need to ever worry about changing the battery during the lifetime of the alarm.
First Alert The product helps protect your home from 2 potentially deadly threats by providing up to a decade of uninterrupted monitoring. Equipped with dual sensors, this low-profile alarm detects smoke from slow-burning, smouldering fires and elevated carbon monoxide levels. This detector has a slim, contemporary design that mounts unobtrusively on a wall or ceiling. A built-in 10-year Li-Ion battery provides continuous power, with no need to ever worry about changing the battery during the lifetime of the alarm.
Last updated at 03/11/2026 11:11:36
Smoke and Carbon Monoxide Detector
First Alert Combination Photoelectric Smoke And Carbon Monoxide Alarm
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
First AlertJARDEN First Alert Brake 1039868 Smoke/Co Alarm, 10-Year - Quantity 1
Free delivery between 11–17 Nov
| Brand | First Alert |
| Type | Smoke |
Smoke and Carbon Monoxide Detector
First Alert Combination Photoelectric Smoke And Carbon Monoxide Alarm
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
First AlertJARDEN First Alert Brake 1039868 Smoke/Co Alarm, 10-Year - Quantity 1
Free delivery between 11–17 Nov
| Brand | First Alert |
| Type | Smoke |
