Large screen power monitoring socket multi-function power meter measuring instrument intelligent billing power meterProduct Features1. Large LCD display, easy to read;2. Measure voltage, frequency, current, power factor, wattage, minimum and maximum power, and record cumulative kilowatt hours, time and electricity bills;3. Display overload warning on LCD;4. Reset abnormal display or no response button;5. Built-in 2 button batteries, which can store electric energy and save settings when the power goes out (please choose the logistics that allow live electricity for international transportation);6. Simple setup;Product Specifications:Product size: 5.78x 2.91x1.33 (inches)Color: WhiteColor box package contains:1* German-style large-screen power socket; 1* Instruction manual (English);Standard type: European standardNumber of holes: 1Number of jacks: 2 holesNumber of USB ports: 0Switch mode: without switch3C rated voltage range: below 50VShell material: ABSProduct series: European standard socket