So you want to control your garage door from your smartphone? gLink has you covered. It is a tiny gadget that turns your garage door into a smart door compatible with iOS and Android devices. It does not require a battery or power cord. The gLink app supports an unlimited number of garage doors.
More gadgets like this: here
Here is the neat part: you can open your garage by knocking on your phone, so there is no need to take it out of your pocket. The developers have used 128-bit encryption for your security.
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