Power Meter Plug Energy Meter Watt Voltage for flat and round plug

Technical specification
Operating voltage:127/220V, 60Hz
Operating current: max 10A
Wide voltage range: 127/220V
Timing display range: 0 second----9999days
Wattage display(watts): 0W--9999W
Voltage Display range: 0V----9999VCurrent display (amps): 0.000A--16.000A.Frequency display: 0Hz----9999HzMini to Max wattage display range: 0. 0W----9999WPrice display range: 0. 00KWH----99.99KWH.Total KWH and cost display: 0.000KWH--9999KWH,0.00----9999