To set it up, you enter a 10-digit activation code included in the packaging, which you can use with as many gadgets as you like.

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Here, along with your username and password, you can set your Google account to ask you for a six-digit code that Google will send via text message to your phone.

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While we're on the topic of settings, you can set a maximum and minimum temperature, along with a four-digit password -- you know, so that the kiddies don't have too much fun using that click wheel to crank up the heat.

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