Lower your energy costs by finding out what appliances are actually worth keeping plugged in. Simply connect appliances to the Kill A WattEZ, and it will assess how efficient they really are. Large LCD display will count consumption by the Killowatt-hour, same as your local utility. And shows the operating costs of your household appliances it is accurate within 98%. Large LCD Display calculates cost and forecasts by week, month and year.

Built-in battery backup.

Displays eight critical units of measure