Accurately measures AC/DC Voltage, AC/DC Current, Resistance, HT118E voltage tester also measures Temperature, Capacitance, Frequency, Duty-cycle, Diodes, Continuity, and NCV, Live with sound and light alarm. Suitable for Household Outlets, Fuses, Batteries (including Vehicles), Automotive Circuit Troubleshooting, Charging Systems, Testing electronics in Cars, etc.