1Handheld clamp meter with high reliability, high safety, automatic range, easy to operate. 2Full range overload protection and unique design make it an excellent electrical measurement instrument. 3Support for NCV function, data hold function and true RMS function, convenient to use. 4Support for LCD backlight and flashlight, allowing you to operate in the dark environment. 5LCD display and 4000 maximum display, which is more convenient for you to read the data. 6Ideal tool for testing, maintenance and repair of all types of colleges and universities, smelting, communications, manufacturing, petroleum, defense, power, foundry, and circuit power equipment.