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This combination smoke and CO alarm has been around for a number of years, and was previously known as the Kidde KN COSM B. It has two key differences compared to the SCO501CN 3ST: It is a stand alone detector that does not communicate with other alarms and the smoke detector uses ionization, not photoelectric technology. It has a voice annunciator that will identify the type of hazard fire or CO, but can't relay that to other detectors. It's not been professionally reviewed, but there's a large body of mostly satisfied users that post feedback at Amazon, where its overall score is 4. 4 stars following around 1,750 reviews. The Kidde KN COSM IBA Est.

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View SiteBest Video QualityFlir FXFlir FX produced the top video quality and clarity in our tests, especially in bright daylight environments, though its setup process takes at least 30 minutes. View SiteProductPriceOverall RatingVideo and AudioConvenience and OperationHelp and SupportStorage TypeMonthly PricingWarrantyCustomer SupportScheduled RecordingEase of UseLocation DetectionVideo Quality – NightStill ImagesVideo Quality – DayStandout FeatureSupports 5 GHz Wi FiHome Automation PlatformConnection QualityTwo Way AudioSound DetectionAudio QualityField of ViewResolutionDigital ZoomNight Vision RangeNest CamView Deal4. 5/59. 39. 5/59. 97. 88. 6Cloud/microSD$9. 5/59. 38. 5/59.

 

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caBest Budget Smoke Detector Kidde KN COSM IBA 4. 7/5 Product RatingThe Kidde KN COSM B Battery Operated Combination Monoxide detector is a combination smoke and carbon monoxide detector. Carbon monoxide is an odorless and tasteless gas that can kill residents even when low amounts are inhaled. Instead of having both a carbon monoxide detector and a smoke detector, this unit combines the two into one unit. For the smoke detection the unit includes ionization sensing technology, which detects visible fire particles and warns of impending danger. The carbon monoxide alarm goes off if the carbon monoxide levels in your home increase to a dangerous level. The Kidde KN COSM B Battery Operated Combination Monoxide has four verbal warnings including fire, carbon monoxide, low battery and smart hush announcement. There is a voice alarm, a flashing light, along with a loud beeping sound that warns of danger. The Kidde KN COSM B Battery Operated Combination Monoxide alarm needs 3 AA batteries to operate and comes with a 5 year warranty. Photoelectric smoke detectors can detect slow, smoldering smoke the fastest, like the thick smoke when a couch or mattress is one fire. In comparison to smoke detectors using ionization technology, photoelectric smoke detectors set off an alarm earlier on slow burning materials.