Electricity Usage Monitor,Household Appliance Energy Watt Voltage Amps Meter Electricity Usage Monitor with LCD Display Plug Power

according to the instructions
-Sets electricity price value which ranges 00.00COST/KWH ~99.99COST/KWH
-Displays volts, amps and wattage accurate to 3%
-Low power consumption.
-Built-in Battery(3.6V rechargeable batteries) backup - allows meter to be moved (and viewed) without losing readings.
-Operating voltage: 120VAC
-Frequency display: 60HZ
-Operating current: max 15A
-Wide voltage range: 110V-130V
-The set Wattage display (Watts) is 0W~9999W; but the real Wattage display (Watts) is 0~1800W
-Timing display range: 0 second~9999 days
-Voltage display range: 0V~9999V
-Current display (amps): 0.000A~15.000A
-Frequency display: 0Hz~9999Hz
-Price display range: 0.00COST/KWH~99.99COST/KWH
-Total KWh and cost display: 0.000KWh-9999KWh,
0.00COST----9999COST
-3-pin US plug
-Dimensions: Length = 155mm; Width = 70mm; Height = 45mm (not inc. pins)
-Functioning indicator
-It enjoys 8 display modes as below:
-Time/Watt/Cost Display;
-Time/Cumulative electrical quantity Display;
-Time/Voltage/Frequency Display;
-Time/Current/Power Factor Display;
-Time/Minimum Power Display;
-Time/Maximal Power Display;
-Time/Price Display;
-Overload Display.
Package:
1X Power Meter(US Plug)
1X English User Manual
NOTE