Walmart: Kidde Carbon Monoxide Alarm Only $8.50 (Regularly $16.84)
This alarm uses 2 AA batteries (included) to continue working during power outages. It protects you and your family from the dangers of carbon monoxide and comes with a five-year limited warranty!
Choose free in-store pick up if available near you;
otherwise, score FREE 2-day shipping on any eligible $35+ order or pay $5.99 for shipping for orders under $35. (Shipping to home is NO longer available)