Working voltage: 80 ~ 260VACTest voltage: 80 ~ 260VACRated : 100A/22000WOperating frequency: 45-65HzMeasurement accuracy: 10 gradeFunction:Electrical parameter measurement function (voltage, current, active , energy)Overload alarm function (over alarm threshold, backlight and flashing to alarm). alarm threshold preset function (can set alarm threshold).The reset function of energy key.Store data when off.-screen LCD (display voltage, current, active , energy at the same time)Backlight function.Display format:: test range: 0~22kWWithin 1kW, the display format is 00~9999W;Within 1kW~10kW, the display format is 1000~9999W;10kW and above, the display format is 01~220kW.Energy: test range: 0~9999kWhWithin 10KWh, the display format is 0~9999Wh;10kWh and above, the display format is 10~9999kWh.Voltage: test range: 80~260VDisplay format: 80~260VCurrent: test range: 0~100ADisplay format: 000~9999APrecautions:This module is suitable for indoor, please do not use outdoor.Applied load should not exceed the rated .Wiring order can' be wrong.It can' be used in some circuit such as inverter or silicon controlled.Colour: blackMaterial: composite materialsSize: 9x5 (mm)Package Contents:1 * PZEM-061 AC Voltmeter Ammeter1 * Coil CTOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.