P3 International's electricity usage monitor allows you to plug in any device and see the number of kilowatts it is using per hour. The large LCD display on the P3 electricity usage monitor allows clear and easy-to-read calculations. This Kill-A-Watt monitor can calculate the cost to run the device for a day or week and even up to a year. The P3 International Kill-A-Watt electricity usage monitor can even figure out the efficiency of any device and can check the quality of the power to the device.
P3 International Kill-A-Watt Electricity Usage Monitor: