The Kill A Watt Meter is a terrific product to help you reduce your energy use and save you money on your power bill. It will help find power-wasting appliances then you decide whether it is worth keeping them plugged in. Great for keeping track of voltage sensitive instruments too. The Kill A Watt Meter displays Volts, Amps, Watts and frequency and it will also keep track of the total kilowatt hours used. Measures VA and PF for the electrical theorists. Works for devices that use up to 125 volts and draw a maximum of 1875 watts. Six-month warranty. Weight: 2.2 ozs. Size: 2.25" W x 5" H x 1.5" D.