RioRand Digital Current Voltage Multimeter AC 100-300V 100A Voltage Amperage Meter, AC Volt Amp Testing Gauge Power Monitor LCD Dual Display Voltage Measuring Current Sensing Resistors with Current Transformer CT Powered by RioRand Advanced Technology Working Mode: Voltage and current dual display,2-wires Measuring Range: AC100-300V, AC0.1-100.0A (with sensor transformer) Display: LCD, blue backlight, 3 digits;Accuracy: 1% +/- 2 digits Power Consumption: &lt;0.2 VA;Can directly replace the 85L17 Analog current and voltage meter Usage:Power distribution box, distribution cabinet, regulators, teaching aids and etc.