Multi-tool: used to test DC/AC voltage, resistance, capacitance, frequency, continuity, duty cycle and diode. Compact size and light weight: as small as a mobile phone, this ma multimeter has a very small size, suitable for one-handed operation and portable to carry. Automatic shutdown: If no operation is performed for 20 minutes, the multimeter will turn off automatically to save energy. and you can disable this feature. Easy to use: With its simple design and clear style, you can easily switch between testing modes with the rotary knob. Data retention function: convenient to read the measurement result. Handy utility instrument: With high precision, stable performance and accurate results, this multimeter is essential for the electrician.