Useful instrument for testing current、 voltage、 active power and energy. Easy to operate and maintain.Features:This meter is really useful which can measure current、 voltage、 active power and energy with one instrument.With overload alarm function. You can preset power limit. Backlight and power will flash to give a warning when exceeding preset value.One button to operate. The button can be used to control backlight、 reset energy、 preset power alarm limit.Large LCD display with backlight、 easy to read.Automatic storage data when power off.With an inductor、 more practical.Specifications:Power Test Range: 0-22kWPower Display: 0.0-999.9W(<1kW) 1000-9999W(>=1kW) 10.0-22.0kW(>=10kW)Energy Test Range: 0-9999kWhEnergy Display: 0-9999Wh(<10kWh) 10-9999kWh(>=10kWh)Voltage Test Range: 80-260VVoltage Display: 80-220VCurrent Test Range: 0-100ACurrent Display: 0.00-99.99AWorking Voltage: AC80-260VRated Power: 22000W/100AWorking Frequency: 45-65HzItem Size: 8.8 * 5 * 2.5cm / 3.5 * 2 * 1inItem Weight: 67g / 2.4ozPackage Size: 11 * 7 * 3.5cm / 4.3 * 2.8 * 1.4inPackage Weight: 110g / 3.9ozPackage List:1 * Meter1 * Inductor1 * User Manual