As with some previous reviews, I found the quick install guide inadequate. I couldn't get it to work even after finding instructions on the internet. I had several attempts to return the product when the light came on. I was trying to create an encrypted network group and the instructions say you have to press the group buttons on the devices for ten seconds until the power light goes off and then back on. It has always worked. But then press the group button on each device individually for 3 seconds until the power LED flashes again. It did not work. My revelation was that you press the group button for 3 or 4 seconds and if the power light doesn't blink release the button and keep trying (but don't press for 10 seconds or it will reset). It took me 4 tries but eventually the power light blinked and then I was able to sync another device (it also took 3 or 4 tries). But once I cleared that hurdle, everything worked as advertised.
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