DMiotech AC 80V - 300V 100A Digital Voltage Current Monitor Multimeter LED Display Tester Meter Voltmeter Ammeter Gauge Voltmeter and Ammeter, 2 in 1 function Voltmeter Ammeter, Top red line display voltage, bottom green line display current, easy measurement. High accuracy, low power consumption. This is a volt and current testing meter, LED digital display, panel mount design. Uses in autos, marine, aircrafts, test instruments, solar, wind, hydro power system etc for voltage indications and monitoring electrical systems. Misconnection between voltage input and current will lead damage to the meter, Please make sure the voltage and current are connected correctly. Gauge Size : 7 x 4.1 x 3cm/2.8 x 1.6 x 1.2inch(L*W*T), Weight : 73g(2.6oz)