The MTC45 is a 2 in 1 Tone and Probe generator as well as an auto ranging multimeter. The meter tests include wire trace, continuity test, clear/busy ringing, line test and tip/ring identification. The unit is supplied with crocodile clips for non-terminated cables and modular connectors for direct connections to telephone and internet wiring. The DMM can measure AC/DC volts, AC/DC current, Resistance Diode and has a continuity buzzer.
9V Battery AAA