1977 - Volume #1, Issue #4, Page #29
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Barklight Foils Burglars
Would-be burglars would surely think twice if they saw your yard or house lights suddenly turn on when your dog started barking.
Now you can scare them off with Barklight, a relatively inexpensive sensor that will automatically turn on your yard or house lights when triggered by your barking dog. The lights stay ..........


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1977 - Volume #1, Issue #4