SMAKN&reg; AC 110V/220V 80-300V/100A Digital LCD Display Voltmeter Amperemeter Volt Gauge+Current Measure Sense Resistor Dual measurement of AC voltage, AC current with AC current transformer Voltage Measuring Range: AC 80 ~ 300V Current Measuring Range: AC 0.1 ~ 100A (Current in excess of 1A is recommended) Display backgroud color & Type: Blue & LCD Resolutions: 1%FS +2 Digit (According to our actual measurement