Smart Socket Time/Watt Protection Save Energy Power Meter Electronic Products The product is shipped based on the color or size of the main image of the product page. Easily measure the power consumption and cost of your electrical appliances.Simply plug the meter into the wall and then plug your appliance into the meter.With the help of this Power Meter Monitor,You can make certain how much your standby appliances cost,what the power factor is,whether the appliances are really charged,and how long have your appliances been charged.Measures various parameters: power (W),energy (kWh),volts,amps,hertz,power factor and maximum power (W),time,days - kWh is vital as this is what your electricity bills are based on Specification: Operating voltage: 230V 50Hz Operating current: max 13A Wide voltage range: 230V-250V Wattage display (Watts) is 0~2900W Current display (amps): 0.000A~13.000A Price display range: 0.00 COST/KWH --> 99.99 COST/KWH Total KWh and cost display: 0.000KWh-9999KWh,COST: 0.00---->9999 7 Display Modes: 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/Maximal PowerDisplay;Overload Display.Package Included: 1 x Power Meter(UK Plug) Note: 1.Please allow 1-3cm differences due to manual measurement,thanks.2 .Please understand because of the light irradiation or computer display difference,so I can't guarantee photos and real color is 100% the same.