Do you wonder how much electricity your air conditioner uses, or of it makes economic sense to replace that old refrigerator with a new efficient model. Find out with this easy to use meter. Plug any item that uses electricity into the meter, and plug the meter into an outlet. Program in your utilities kilowatt / hour charge, then find out how much an appliance has used since it was plugged in, how much it will use in a month, and the cost of electricity in dollars and cents. Shows 16 values in all.
Watts Up? Electricity Monitor
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