Builtin Battery The power consumption meter retains its data and stores it for up to 3 months as long as the battery is fully charged during a power outage.Safe Material The power meter is made of premium ABS, heat and corrosion resistant, safe and fireproof, strong and durable, can be used for a long time.Energy andPower consumption can more accurately monitor the consumption of home appliances and help you reduce your electricity bill.SpecificationProduct name Current meter plugStandard EuropeanDimensions 127673.3 mm50.242.89 inches.Current measurement accuracy2.Measurement accuracy2.Battery 3.6V Ni batteryPower supply 230V AC 50HzMaximum load 16a, 3680wCurrent 0.0a16.0a.Contact Type EU contact, it applies to Indonesia, Germany, France, Italy and so on.Material ABSColor WhiteVoltage AC100240VPackage contents2 MonitorsOnly the above package contents, other products are not included.Note Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is13cm.