The cost of electricity can really hit you where it hurts. Now with Kill A Watt you can reduce your energy costs by identifying the real energy abusers. Simply plug your appliance into Kill A Watt and assess how efficient it really is. The jumbo LCD display measures consumption by the kilowatt-hour, just like your local utility company, so you can quickly calculate costs. Its perfect for seeing how much juice that freezer in the garage is sucking up, or to see how much it costs to keep your computer on throughout the day.