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