Features:1. Measurement function of electrical parameters voltage, current, active power, energy2. Overload alarm function increasing the alarm threshold, backlight and flashing alarm lights.3. Power alarm threshold preset function can set the power alarm threshold.4. Save data when closed, large LCD screen, backlight function.5. The screen interface is a large screen LCD screen, which can display 4 parameters at the same time.Specification:Working voltage: 80 VAC-260VACTest voltage: 80 VAC-260VACRated power: 20A / 4500 WWorking frequency: 45-65HzMeasurement accuracy: 1.0 levelPower:Test range: 0-4.5kWWithin 1 kW, screen form is 0.0-999.9 W1 kW or higher, screen form is 1000-4500WEnergy:Test range: 0-99kwhWithin 10KWh, the screen form is 0-9999Wh10kWh or higher, screen form is 10-9999kWhVoltage:Test range: 80-260VScreen format: 80-260VCurrent:Test range: 0-20 ADisplay format: 0.00-20.00ANotice:1. This module is suitable for indoor use, please do not use it outdoors.2. The requested load must not exceed the rated power.3. The wiring sequence must not be wrong.Package includes:1x multimeterPackage List:1x Multimeter