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A recessed door sensor will be hidden.
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The new Nest Cam is one of a number of new security cameras designed for the home.
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Install light switches that can be tied into your security system and you can program lights to automatically turn on if your smoke detector goes off or there's a break-in.
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Smart smoke detectors can be integrated into your alarm system, too.
How to secure your home like a pro: 20-plus expert tips and strategies for DIYers
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We picked the brains of home-security professionals to learn which devices and tactics deliver the most bang for the buck.
