If the Star Trek reality has its way, we guess humanity along the way has given up on doors with knobs, moving on to sliding doors instead. Well, the Blueguard Phone Detector is a start, as this device can be connected to a door-opening system that triggers whenever one of 10 handsets are detected within a 33-foot radius. Bad news for you if you’ve got your phone stolen as someone might gain unauthorized entry to your home then. At least the detector’s programming mode is PIN-protected, so not just any Tom, Dick or Harry can make unwelcomed visits to your abode.
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