1、Multifunctional: This withstand voltage tester is multifunctional and can be used to test the withstand voltage value of MOS tube, transistor, IGBT and diode, voltage regulator diode, light emitting diode, single SCR, rectifier bridge, subminiature resistor, ceramic gas discharge tube, electrolytic capacitor and so on. 2、Digital Panel: This withstand voltage tester has a digital display panel that is clear and intuitive and can be used during the day, at night or in other dimly lit environments. 3、Easy To Use: This voltage withstand tester is very easy to use, when testing MOS tubes, transistors, diodes, you can adjust the current to a minimum scale of 50uA, and when testing LED backlighting boards, you can adjust the current to a maximum of 5000uA. 4、Excellent ABS Material: This withstand voltage tester is made of excellent ABS material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. 5、Compact And Portable: This withstand voltage tester is small in size and light in weight, which makes it very convenient to carry around and use.