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Best for Hardwired Comprehensive Smoke Sensing First Alert 3120B Hardwire Dual Smoke Sensor Type: Photoelectric & Ionization | Battery-Powered or Hardwired: Hardwired REASONS TO BUY Dual smoke sensors for flaming and smoldering fires Easy install for a hardwired alarm REASONS TO AVOID The mounting plate isn't our favorite No CO sensor The National Fire Protection Association (NFPA) recommends having a mix of photoelectric and ionization smoke alarms in your home for the best chance of an early alert to any problem
Make sure your filter is doing its job, too
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There is no flame or smoke so it is more environment - friendly , fully waterproof and perfect for windy and rough weather conditions
Only Satin Black, Satin Aluminum, are Considered Non Custom
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