This product is a multi-function socket that automatically calculates the electricity cost and measures the power consumption, voltage, current, timing and other electrical appliances used. The products can meet the requirements of Germany, Britain, Australia, America, France, Italy, Israel, Belgium, Denmark, South Africa, Brazil, etc. National standard customization Technical specification perating voltage: FR socket, AU socket, BR socket, UK socket ,EU socket, is 220V , US socket, is 110V . Operating current: max 16A Wide voltage range: 110V----250V Timing display range: 0 second----9999 daysWattage display(watts): 0W----9999W Voltage Display range: 0V----9999V Current display(amps): 0.000A--16000AFrequency display: OHZ---9999Hz Minimum Wattage display range: 0.0W----9999WMaximum Wattage display range: 0.0W----9999WPrice display range: 0.00E/KWH----99.99EKWHTotal KWh and cost display: 0.000K WH----9999KWH0.00e--9999 Package will include: 1 pcs Plug-in Power meter (Plug type accoring your order) 1 pcs English Instruction manual 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111