Jan 1, 2022 · CR’s take: The First Alert 3120B is a dual-sensor smoke detector, meaning it has both a photoelectric sensor for detecting smoky fires and an ionization sensor for detecting flames. Thanks to m3EDtffm7WB0 Jul 14, 2022 · Final Verdict. The Google Nest Protect, while pricey, has the safety and convenience features that make smart smoke detectors worthwhile—advanced smoke and carbon monoxide sensors, pre-siren remote warnings, frequent self-checks, voice prompts, and helpful motion-sensing light. oNKj94SRDoSM Jun 27, 2022 · Best Overall Smoke Detector First Alert SCO7CN $34.99 (61% off) at Amazon See It Smoke Sensor Type: Photoelectric | Battery-Powered or Hardwired: 2xAA Batteries REASONS TO BUY Voice and siren when the m is triggered Very loud siren Integrated CO sensor REASONS TO AVOID Programming requires a bit of effort No option to link to other CJsILPpmRyHm Jun 30, 2022 · Best photoelectric smoke detector: First Alert SA511CN2-3ST Best ionization smoke detector: First Alert 9120B Smoke Detector Best smoke and carbon monoxide detector: Kidde Smoke & BWFPRddUCgza
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