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Another question in the effectiveness of CCTV for policing is around uptime of the system; in 2013 City of Philadelphia Auditor found that the $15M system was operational only 32% of the time.

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The use of traditional doorbell is gradually declining because of its limited functionalities.

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$130, a hardwired smart smoke and CO detector.

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If it’s open, simply shut it with your smart garage door opener.

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1 Market Estimates and Forecast, 2018–20238. 2. 2 Market Estimates and Forecast by Region, 2018–20238. 3 Installation Services8. 3. 1 Market Estimates and Forecast, 2018–20238. 3. 2 Market Estimates and Forecast by Region, 2018–20238. 4 Maintenance and Replacement Services8. 4. 1 Market Estimates and Forecast, 2018–20238.

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