Feature 1Designed to safely and accurately troubleshoot a variety of automotive and household electrical problems 2The multimeter uses 2 pieces 1.5V AAA batteries(not included) as power supply and support auto power off function to save power 3Its large 4 digit(6,000) display provides accurate, easy-to-read results that enable you to complete your work quickly and efficiently 4Voltage testing function can test both AC and DC voltage and there is also low voltage indication function 5Supports continuity testing, resistance testing, diode testing and 550V protection in resistance, capacitance and frequency rangesSpecification Description: The digital multimeter is a powerful, dependable tool that safely measures voltage, resistance and current, whether you are working around the house or for some automotive maintenance. Safely tackle many electrical problems around your home with this powerful multimeter, and you don't have to be an electrician to use this automotive multimeter. Features: Designed to safely and accurately troubleshoot a variety of automotive and household electrical problems. The multimeter uses 2 pieces 1.5V AAA batteries(not included)as power supplyand support auto power off function to save power. Its large 4 digit(6,000) display provides accurate, easy-to-read results that enable you to complete your work quickly and efficiently. Voltage testing function can test both AC and DC voltage and there is also low voltage indication function. Supports continuity testing, resistance testing, diode testingand550V protection in resistance, capacitance and frequency ranges. Specifications: Capacitance 10nF(5.0+20),100nF/1uF/10uF/100uF(2.0%+5),1000uF/10000uF(5.0%+5) DC Volts 600mV(1.0%+10), 6V/60V/600V/1000V(0.5%+3) AC Volts 600mV(3.0%+3), 6V/60V/600V/750V(1.0%+3) DC Current 600uA/6000uA(1.5%+3), 60mA/600mA(1.5%+3), 10A(1.5%+3) AC Current 600uA/6000uA(1.5%+3), 60mA/600mA(1.5%+3), 10A(1.5%+3) Resistance 600(0.5%+3), 6K/60K/600K/6M(0.5%+2), 60M(1.5%+3) Frequency 5/50/500/5k/50k/500k/5M/10M (0.1+3) Duty Cycle 1% to 99%(1%) Measurement Mode Double-integral style A/D transform Over Range Indication OL Operating Environment 0~40, relative humidity < 80% Auto Ranges Yes True RMS Yes Sample Rate 3 times per second Backlight Yes Data Hold Yes Polarity Identification Yes Low Voltage Indication Yes Auto Power Off Yes Power Supply 2pcs 1.5V AAA batteries (Not included)