Features:

• Electricity usage monitor connects to appliances and assesses efficiency
• Large LCD display counts consumption by the kilowatt-hour
• Calculates electricity expenses by the day, week, month, or year
• Displays volts, amps, and wattage within 0.2 percent accuracy
• Compatible with inverters; designed for use with AC 115-volt appliances

Editor Reviews:

Product Description:
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

Rating : - Best of the lot
What more needs to be said? The Kill-A-Watt is great at what it can do.