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Of course, there are pros and cons of taking this DIY approach. Because there's no monthly fee, many self monitoring systems are cheaper than professional home security systems. Proponents
also say self monitoring versions give homeowners a better sense of control over protecting their domain
through access to live video feeds, mobile alerts, smartphone technology and other self monitoring tools. Still, a traditional, professionally monitored home security system has advantages. Professional security systems will automatically alert authorities in an emergency situation, such as a break in or a fire. With self monitoring systems, you have to make the call.
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, IR sensors, motion detectors, input devices e. g. , microphone for capturing audio, and output devices e. g. , speaker for outputting audio. In some implementations, the cameras 118 are each configured to operate in a day mode and in a low
light mode e. g. , a night mode. In some implementations, the cameras 118 each include one or more IR illuminators for
providing illumination while the camera is operating in the low light mode. In some implementations, the cameras 118 include one or more outdoor cameras. In some implementations, the outdoor cameras include additional features and/or components such as weatherproofing and/or solar ray compensation.
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It also can communicate with other Nest products, such as the Nest Learning Thermostat Est. $230 for example, to turn off your heating system if CO or smoke is detected. In terms of core performance, most reviewers give Nest Protect a thumbs up. It has only a photoelectric sensor, which normally will mean that it is more effective in detecting smoldering fires rather than fast burning ones and that's exactly the performance that Consumer Reports found when it tested the
first generation model. 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. It currently earns a 4.