... Buzzer 4.Signal Analog Output 5.Auto Power Off DIGITAL ENGINE ANALYZER1. FunctionDC/AC Voltage, DC/ AC Current,Resistance, Capacitance, Frequency ... ranging)Ranges:400mV,4V,40V,400V,750V,(400mV only in manual)Resolution:100uV,input impedance:>10MΩOverload protection: 1000VDC or 750VAC ...