More gadgets like this: here
Meet the TekDevices Mobile GDO Garage Door Opener: a system that helps you open your garage door more conveniently. There is no monthly free required to use this. The device is designed to support new and old garage door systems. You will be able to open, close, and check the status of your garage door using your iPhone. As long as you have access to an internet connection, you can use your smartphone to open your garage door. The below video shows how this garage door opener works:
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