Multim High Accuracy Pen Type Digital Multimeter: The voltage tester accurately measures AC voltage: 2V~600V, DC Voltage: 200mV~600V, 200~60M resistance tester, diode test and continuity buzzer. Multi-function multimeter: Humanized design with 2000 counts, diode test, continuity, data hold, auto range control, auto power off and low battery indication, backlight and lamp function. Overrange Indication: Range support AP-38B stylus-type multimeter support Double insulation (Class II protection), 600V (CAT), This stylus-type digital multimeter is characterized by small size, portable and stable performance, a good tool for the tester and household problems. Auto power off: When the measurement exceeds 15 minutes without changing modes or pressing the key, the meter enters standby mode. Press any key to exit standby mode. And you can also press and hold SELECT to choose resistance, diode or continuity test mode and AC/DC voltage you want.