Reliance Controls Ammeter and Wattmeter THP103 AmWatt Appliance Load Tester/Plug, Blue Product Description Electrical Load Tester From the Manufacturer AmWatt Plug-In Digital Appliance Load tester. Only tester of its kind that gives a quick digital readout of Amps or Watts used by any plug-in appliance. Eliminates the need for expensive clamp-on meters and line splitters. Perfect for choosing the correct portable generator to purchase. Easy to use: 1. Plug appliance or light into AmWatt, 2. Plug the AmWatt into any 15A electrical outlet, 3. Turn ON the appliance or light. UL listed. Features Meter gives instant, accurate digital readout Readout measures amps or watts used by common-cord connected household appliances (1.0 to 15.0 amps, 125 to 1,875 watts) Long 26-inch cord reaches remote electrical outlets Rugged, high-impact construction Easy slide-switch action insantly converts between amps and watts USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.