P3 International P4400 Cut down on costly electric bills with this great innovation from P3(R)! The Kill-A-Watt Electricity Usage Monitor allows you to assess the efficiency of your appliances and find out which ones are actually worth keeping plugged in. Simply connect your appliances to the Kill-A-Watt and a large LCD display counts your electricity consumption by the kilowatt-hour. Calculate your electricity expenses by the day, week, month or year and find out if you could be saving more money! You can even check the quality of your power by monitoring voltage, line frequency and power factor. Don't wait for your next costly electric bill - find out how much electricity you could save today! Features: -Electricity usage monitor. -Kill a watt collection. -Large LCD counts consumption by the kilowatt hour. -Connect to household appliance and it will assess its efficiency. -Calculate electrical expenses by day, week, month or year. -Check the quality of power by monitoring voltage, line frequency and power factor. -Manufacturer provides 6 months warranty. Dimensions: -3 H x 6.5 W, 0.3938 lb.