The Kill A Watt meter lets you see which appliances are draining your system.

The the Kill A Watt™ meter is invaluable to homeowners who make their own electricity. This handy meter measures the power usage of individual appliances.

Connect your appliances into the Kill A Watt™, and assess how efficient they are. A large LCD display counts consumption by the Kilowatt-hour just like utility companies. You can figure out your electrical expenses by the hour, day, week, month, even an entire year. Monitor the quality of your power by displaying Voltage, Line Frequency, and Power Factor.