brand new and high quality Features:This combo meter is designed to monitor AC power, it combines many functions in one.Backlight control, short press to turn on/off backlight, Automatically save data when power is turned off in backlight state.Clear energy reading, press and hold down the for key to clear the reading of kWh.With Overload alarm, Power alarm threshold preset, Store data, Reset functionMeasurement precision, large-screen LCD liquid crystal screen display clearly.Function:1. Electrical parameter measurement function (voltage, current, power factor, power, Hz, Energy).2. Overload alarm function (over power alarm threshold, the backlight and power flicker tips).3. The power alarm threshold preset function (can set up their own power alarm threshold).4. The power button clear function.5. Power-down data storage function.6. Large-screen LCD screen full display function (display voltage, current, active power, power).7. Backlight. Parameters:Voltage Measuring Range: 80-260VCurrent Measuring Range: 0-100AFrequency Measuring Range: 45-65HzPower Factor Measuring Range: 0.00-1.00PFPower Measuring Range:0-22000W, Starting power: 0.5WEnergy Consumption Measuring Range: 0-999kWh Specification:Current types: 100APower supply: 80~260V ACDisplay type: LCDSensor type: Split Current Transformerfor Shell material: Reinforced nylonDimensions: 89.6x49.6mm/3.53x1.95inchColor: BlackQuantity: 1 Set Package includes:1 x Power Energy Monitor1 x Split Current Transformer1 x Instruction Manual