Working voltage: 80 ~ 260VAC Test voltage: 80 ~ 260VAC Rated power: 100A/22000W Operating frequency: 45-65Hz Measurement accuracy: 1.0 grade Function: 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) Reset function of energy key Store data when power off LCD screen (display voltage, current, active power, energy at the same time) Backlight function Display format: Power: test range: 0~22kW Within 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: 0~9999kWh Within 10kWh, the display format is 0~9999Wh 10kWh and above, the display format is 10~9999kWh Voltage: test range: 80~260V Display format: 80~260V Current: test range: 0~100A Display format: 0.00~99.99A Precautions: This module is suitable for indoor use; do not use outdoors Applied load should not exceed the rated power Wiring order must not be incorrect Not suitable for use in circuits such as inverter or silicon controlled rectifier applications Color: black Material: composite materials Size: 9x5mm Package Contents: 1 x PZEM-061 AC Voltmeter Ammeter 1 x Coil CT Only the above package content is included; other products are not included Note: Lighting and different displays may cause the color of the item in the picture to differ slightly from the actual item. Measurement may vary by +/- 1-3cm.