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First Alert CO615

By: Carl Laron on April 19, 2017

Bottom Line The First Alert CO615 is an effective and easy-to-use carbon monoxide detector. AC powered with a battery backup, it's excellent at detecting high and low CO levels and the large LCD readout is a plus.
Pros
  • Good performance detecting high and low CO levels
  • Detachable power supply for wall mounting
  • LCD display
Cons
  • Not interconnectable