Working voltage: 80 - 260VACTest voltage: 80 - 260VACRated power: 100A or 22000WOperating frequency: 45-65HzMeasurement accuracy: 1.0 gradeFunction:Electrical parameter measurement function (voltage, current, active power, energy)Overload alarm function (over power alarm threshold, backlight and power flashing to alarm).Power alarm threshold preset function (can set power alarm threshold).The reset function of energy key.Store data when power off.Large-screen LCD (display voltage, current, active power, energy at the same time)Backlight function.Display format:Power: test range: 0-22kWWithin 1kW, the display format is 0.0-999.9W Within 1kW-10kW, the display format is 1000-9999W 10kW and above, the display format is 0.1-22.0kW.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: 0.00-99.99APrecautions:This module is suitable for indoor, please do not use outdoor.Applied load should not exceed the rated power.Wiring order can't be wrong.It can't be used in some circuit such as inverter or silicon controlled.Colour: blackMaterial: composite materialsSize: 9x5 (mm)Package Contents:1 x PZEM-061 AC Voltmeter Ammeter1 x 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.