Adopting a clamp design, it is to quickly clamp wires and measure current without cutting off the circuit 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 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 Integrating voltages, current, on / off, buzzing, and resistance measurement to meet various measurement needs, Manufacturer: XIBEIDIANZI