DC Multimeter - Measure the maximum current:0~100A,with 0.5%grade measuring accuracy, it combines Voltage, Current, Power and Energy measurement in one combo, super compact and lightweight that can be portable and easily used Data Storage Design - it is designed to automatically storage the last testing data when suddenly powered off and the energy value can be reset by a short press after long pressing the function button for seconds Super Large Digital Display - 51x30mm easy reading LCD screen, clearly displays all testing figures at the same time, while the recessed button used to control the backlight, reset energy value, set voltage alarm threshold and choose measuring range Bonus Current Shunt - it comes with a 100A/75mV current shunt, suitable for large range measurement, no need to waste extra money to get another one. 6-In-1 digital multi-meter: the large-screen display can display voltage, current, active power, accumulated energy, frequency, power factor at the same time, which is practical for use and can meet your various work needs