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However, the current, second generation Nest has a unique Split Spectrum sensor that's said to be more effective than the norm for photoelectric technology. However, we did not spot any rigorous testing to verify that claim, so for now, consider this to be a standard photoelectric unit. Likewise, expert testing of the CO side of things is limited. No one has rigorously tested the CO detector performance of the second generation model. Consumer Reports says that the first generation Nest Protect worked well as a CO detector, though it was more effective in sounding an alarm when it spots high CO concentrations than low. User reviews, once mixed, are now much stronger as the product has been updated and tweaked since release.fire alarm system companies
4Cloud$5. 89. 38. 6Cloud$3. 99View at AmazonLow Stock$179. 15View at Walmart Marketplace?Excellent low light daytime videoEasy to set up and useStrong smart home compatibilityHighest cloud monitoring feesAverage nighttime video qualityNo scheduled recording optionsOur tests revealed that the Nest Cam Indoor works best in low light during the day, and it does well recording well lit rooms, too.