DROK Volt Amp Meter, AC 500V 100A Digital Voltmeter Ammeter Panel, 0.39 Inches LED 2in1 Multimeter, 2-Wire Voltage Amperage Tester Gauge with Current Transformer

Measuring range -- DROK voltmeter ammeter voltage range is AC 60-500V, current range is 0-100A. Clear color display -- the multimeter can clearly display voltage and current at the same time, red for voltage, green for current. With precise CT -- DROK volt amperage meter is equipped with CT, no need to buy another. Can be installed on anywhere flexibly. Simple connection -- the voltage ampere monitor gauge is powered by the circuit being measured, no need to connect extra power source. Special design -- DROK volts amp tester is designed with built-in trimmer potentiometer, enable you to calibrate the meter easily. Back cover made it more safer to be used.