State energy codes in the United States, which must be at least as stringent as the ASHRAE/IES 90.1-1999 standard, require automatic shutoff of lighting in commercial buildings greater than 5,000 ...
Using voice commands via the Amazon Echo's Alexa voice assistant or your smartphone to turn on your Philips smart light bulbs is convenient, but even better is just walking into a room and ta-daa!
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