P3 P4460 Kill A Watt Ez - Outlet Energy Usage Monitor Electronics Computers Accessories

. Large LCD . Shows the operating costs of household appliances;. Accurate within .2%;. Calc.ates cost & forecasts by week, month & year;. Checks the quality of power by monitoring voltage, line frequency & power factor;. Built-in battery backup;. Displays 8 critical units of measure;. Dim: 5.13H x 2.5W x 1.5D;. . listed