GEREE Digital LED Voltage Meter Ammeter Voltmeter with Current Transformer AC 80-300V 0-100A Dual Display Display the AC voltage and current simultaneously by LED digital tube. Easy measurement , Instrument does not require an additional power supply and AC transformer. Including one independent small precise current transformer, you can lengthen the cable. Wide Measurement Voltage AC80~300V and Current Range 0~100A. Dimensions size: 70mm41mm44mm.