Ensupra Electricity Usage Monitor, Power Meter, Reduce Your Energy Costs Displays Power Consumption ,Watts, and Records KiloWatt-Hour Large Graph Displays Energy Consumption by the kilowatt- hour (7 days; 7 weeks; 7 months history in Bar Graph) Multipline Power and Cost. Displays Volt, Amp, Watt, kWh / Units of Electricity, Time, Cost and Kg of Co2