Help students grasp the amount of energy used by everyday appliances with the handy Kill A Watt. Designed to help homeowners lower electricity bills, it can also be used when teaching about energy consumption and conservation. Simply plug the appliance into the Kill A Watt and it will measure the energy used by the kilowatt-hour.
The device features a large LCD display that shows volts, amps, watts, and hertz. It can even calculate the cost of electricity by day, week, month, or year.