Feature:1. Energy Monitor: The voltmeter can detect and display various electric parameters such as voltage, current, active power and so on.2. Wide Test Range: The test range are 6-200V, 0-20A, 0-4.4kW and 0-99999kWh, applicable to most places, but please do not exceed the rated parameters.3. Better Display: Mainly made from premium ABS material, the volt tester is equipped with large LCD screen for clear display and viewing.4. Alarm Function: Set the power alarm threshold. When the detected power value exceeds the threshold, the backlight and power supply will flash for alarm.5. Other Functions: Backlight set function, energy reset function, power overload alarm function, power failure data storage function.Specification:Item Type: Digital VoltmeterProduct Model: Z3-20AMeasuring Voltage: DC 6-200VMeasuring Current: 0-20AMeasuring Power: 0-4KWEnergy Consumption Measurement Range: 0-99999KWhOn Load Timing: 0-999 hours, 0 overflow. Measuring Impedance: 0-999K , when out of range, the meter displays ---. Overload Alarm: SettableVoltage Alarm: Overvoltage and undervoltage alarm can be set. Wiring Type: Fence Type TerminalInstallation Method: EmbeddedProduct Size: Approx. 68 x 68 x 22mm / 2.68 x 2.68 x 0.87in. Panel Opening Size: Approx. 63 x 63mm / 2.48 x 2.48in.Package List:1 xDigital Voltmeter1 x User Manual