
#1
First Alert CO710 Carbon Monoxide Alarm
A 10-year sealed-battery CO alarm — mandatory equipment for generator owners.
Pros
- +Sealed 10-year lithium battery — immune to the outage itself
- +Digital display shows low-level CO before it's an emergency
- +Electrochemical sensor, UL 2034 listed
Cons
- −Whole unit is replaced at end of 10-year life (by design)
- −One per sleeping area is the actual recommendation — buy multiples
$44.50on Amazon
Price as of Aug 4, 1:09 AM ET — subject to change.



