Now you can cut your energy costs and find out what appliances are actually worth keeping plugged in. Simply connect these appliances to the Kill A WattEZ, and it will assess how efficient they really are. Large LCD display will count consumption by the Kilowatt-hour, same as your local utility. Calculate your cumulative electrical expenses and forecast by the day, week, month, even an entire year. Also check the quality of your power by monitoring Voltage, Line Frequency, and Power Factor. Now youll know if it is time for a new refrigerator or if that old air conditioner is still saving you money. With the amazing Kill A WattEZ youll know Watts killing you.