1.Multi-function real-time detection.Multiple functions and uses meet your needs
2.Smart voltage tester.Safe / insulated / simple.AC voltage detection , intelligent sound and light alarm break point detection intelligent identification of zero livewire
3.1.Auto power off.The pen will shut down automatically if there is no operation after about 5 minutes
4.LED lighting function.Provides lighting in dark environments
5.Sound and light dual cues.When measuring voltage , display screen and buzzer double prompt