First Alert CO615 plug-in carbon monoxide alarm with battery backup and digital display

BedroomMid-range

Safety level: Life-safety alarm: install, test and replace as the maker directs. Follow the manufacturer's placement instructions and your local fire code, test it monthly, and replace it by its end-of-life date.

Warning: Life-safety device: an alarm only helps if it works and you can hear it. Install it where the manufacturer and your local fire code say, check it carries a recognized certification mark (such as CSA, ULC or ETL in Canada, or UL in the US), test it monthly, and replace it when it reaches its end-of-life date. Don't climb a ladder or chair to test it if your balance isn't reliable.

Last checked: October 2026

About this product

A carbon monoxide alarm that plugs into a standard wall outlet, with battery backup so it keeps working in a power cut. It has an electrochemical CO sensor, a digital display, a peak-level button that shows the highest CO level measured, an 85 dB alarm and an end-of-life chirp. First Alert lists a 7-year limited warranty.

Brand: First Alert
Typical price (approx.): Approx. C$76 (Amazon.ca, October 2026)

Who it helps

This may help people who find bending down or stretching up hard, for example after hip or back surgery; and people who want everyday tasks to take less effort.

Check before buying

A plug-in alarm sits at outlet height, so you can test it and read the display without a ladder. Plug it into an outlet outside the bedrooms that isn't switched off by a light switch or blocked by furniture. It is listed to US UL standards; in Canada, check for a CSA, ULC or ETL mark before you buy.
Check the certification mark, power source, end-of-life date and placement instructions on the manufacturer's page, and what your local fire code requires.
Check return policies in case it doesn't suit you.

Limitations

This is life-safety equipment: it must be placed, tested and replaced as the manufacturer directs. Your local fire department can advise on where alarms are required.
ReachWell has not tested this item. Information here is general, based on the product type and the manufacturer's description.

Related guides

Smoke and CO alarms for older adults

Where to look

View this product on Amazon.com (opens in new tab)
This is an affiliate link: ReachWell may earn a commission at no extra cost to you. Prices and availability change, so check the listing before you buy. You can also ask local pharmacies and medical supply stores.

Buying in the US: Check US availability and shipping: Amazon.com, Walmart, CVS or Walgreens, local medical supply stores.

Not medical advice. Check weight ratings and fit, and ask an occupational therapist if unsure.