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Book cover for "Kill-a-watt electricity usage monitor"
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Description:
Consumers can monitor and project energy costs and find out what electric devices cost to operate. The Kill a watt electricity usage monitor assesses the efficiency of home appliances; provides the ability to determine electrical expense by the day, week, month or year; and can be used to evaluate the quality of the electrical power from a utility company by monitoring voltage, line frequency, and power factor.