Walmart, Home Depot, Menards and other department, home and hardware stores and electrical distributors nationwide, and online at Amazon.com, ShopKidde.com and other online retailers from May 2019 through September 2020 for between $10 and $70.

Kidde TruSense Smoke Alarms and Combination Smoke/Carbon Monoxide Alarms

Walmart, Home Depot, Menards and other department, home and hardware stores and electrical distributors nationwide, and online at Amazon.com, ShopKidde.com and other online retailers from May 2019 through September 2020 for between $10 and $70.