Docooler Digital LED Voltage Meter Ammeter Voltmeter with Current Transformer AC80-300V 0-50.0A Dual Display Display the AC voltage and current simultaneously by LED digital tube. Including one independent small precise current transformer, you can lengthen the cable. Easy measurement, just connect to power and lead the wire through the current transformer. Wide measurement voltage and current range. Measurement range: AC 80-300V 0-50.0A