1、The jaw is perfectly closed and there is no gap, which reduces the interference of the magnetic field on the measurement, and the measurement accuracy is extremely high. 2、Digital clamp meter with a diameter of 35mm is specially designed for users who need to do complex and demanding wire maintenance and circuit testing. 3、Small size, light weight, easy to carry, not take up space, and is easy to measure. 1.5V AAA battery, long lasting and more durable. 4、The high definition LCD screen has 33/4 digit automatic polarity display, with clear writing and no parallax. 5、Exquisite workmanship, reasonable design, simple buttons, comfortable feel, and smooth and fast fastening of the test lead hole into the test lead. 6、Function range knob, automatic range, accurate gear position, clear hole position, strong sense of pause, and comfortable feeling.