First Alert powered alarm SCO5CN smoke and CO detector vs First Alert hardwired smoke and CO detector with battery backup

Overall winner: First Alert hardwired smoke and CO detector with battery backup

First Alert powered alarm SCO5CN smoke and CO detector

First Alert powered alarm SCO5CN smoke and CO detector

First Alert • ★ 4.1/5 • Mid-Range

A battery-operated smoke and carbon monoxide detector that provides combined alerting. Customers cite easy installation and good value, with mixed feedback on functionality and battery life

Pros

  • easy to install
  • quality and value for money
  • combines smoke and carbon monoxide alarms
  • battery operated for flexible placement

Cons

  • mixed functionality reliability
  • battery life 4-6 months noted by users
  • beeping can occur randomly
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First Alert hardwired smoke and CO detector with battery backup

First Alert hardwired smoke and CO detector with battery backup

First Alert • ★ 4.4/5 • Mid-Range

Hardwired smoke and carbon monoxide alarm with battery backup for continuous monitoring and an audible 85 dB siren. Easy replacement for older units; tests and ventilation indicators help verify status

Pros

  • hardwired with battery backup
  • electrochemical CO sensing and ionization smoke sensor
  • face indicator lights for smoke/CO
  • 85 dB loud warning

Cons

  • mixed experiences with battery life
  • some units arrive with dead batteries
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Head-to-Head

CriteriaWinner
Price First Alert
Durability Tie
Versatility First Alert
User Reviews Tie