Adopting advanced measurement technology to provide accurate voltages and current readings, ensuring accurate measurement results Equipped with automatic shutdown function, saving battery power and extending service life Equipped with a buzzing prompt during on / off detection, it facilitates users to quickly identify the circuit condition Equipped with a large LCD display screen, the measurement results are clearly displayed for easy data reading Adopting a clamp design, it is to quickly clamp wires and measure current without cutting off the circuit Integrating voltages, current, on / off, buzzing, and resistance measurement to meet various measurement needs, Manufacturer: JDNH