P3 International P4480 Kill A Watt Electricity Usage Monitor for $22.41

P3 P4480 Kill A Watt Electricity Usage Monitor for $22.41.  Shipping is free on orders over $25. If needed, use this Filler Tool to pad the order to qualify for free shipping.  Here is a screenshot for your reference.  Kill-A-Watt identifies power-hungry devices by measuring actual power usage.  It features graphic timer of energy consumption by kWh.  It usually sells for about $36 or more.