SainSmart DMT120 is a practical tool for electricians, hobbyists and general household use. It can measure AC / DC voltage, AC / DC current, resistance, frequency, continuity diode, etc.
Low battery indicator, input polarity indicator, over-range indicator.
Digital LCD display makes the reading clear.
With data hold function, background lighting, and switching function.
Overload protection: use the PTC protection circuit for resistance and frequency measurement.