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HOPI HP-9800 20A energy monitor

How much power are these gadgets using -- and wasting? How much are your gadgets and devices costing you in power? And how much carbon dioxide is powering them releasing into the atmosphere?
By Adrian Kingsley-Hughes, Contributing Writer
HOPI HP-9800 20A energy monitor
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HOPI HP-9800 20A energy monitor

For more information on the HOPI HP-9800 20A energy monitor, click here.

HOPI HP-9800 20A energy monitor
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HOPI HP-9800 20A energy monitor

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