Posted by Lilly | Posted in Hydroponics & Seed Starting | Posted on 20-01-2010
Tags: energy, gardening, green, hydroponics, lighting
Great Northern Hydroponics (Part 5 of 9)
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P3 International P4400 Kill A Watt Electricity Usage Monitor
$52.43 Large LCD counts consumption by the kilowatt hour Connect to household appliance & it will assess its efficiency Calculate electrical expenses by the day, week, month or year Check the quality of power by monitoring voltage, line frequency & power factor... |
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Kill a Watt
$49.99 ... |
