And, it works with a wide range of smart home products. So, for example, you can set your Philips Hue lights to turn on automatically when the Nest Protect goes off. Our budget pick, the Roost Smart Battery $35, is good for those who want to retrofit existing "dumb" smoke detectors to make them smart. It’s inexpensive, sends an alert to your smartphone, and lets you silence the alarm remotely. However, its smart home integration is limited to IFTTT, and its smoke detection capabilities are only as good as the alarm in which you use it. Overall, the Nest Protect is worth the investment. Credit: NestToday's best Nest Protect deals?$115. 99View$119View$127. 65ViewLow Stock$127. 90ViewShow More DealsWe check over 130 million products every day for the best pricesResearch shows that three out of five fires happen in buildings with no smoke detection alarm systems. It’s almost impossible to believe that over 50% of household devices have the potential to catch fire; thus, it is essential to invest in smoke detector systems that will not only prevent our tools from going up in flames but will also keep us safe.

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Wish I had called the sheriff when he did not leave my property.

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CCTV systems may operate continuously or only as required to monitor a particular event.

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