1. During the test, you can press the test button on the electric pen with your hand, and then pass the test head of the pen tip of the electric pen to contact the wire. In this way, you can test the specific voltage, and you can slowly slide on the _.
2. If there is electricity on the display, it means that there is no power outage at this location, but if there is no animal thing displayed on the display, then it is likely to indicate that there is a power outage.
In the process of use, it is necessary to pay attention that the electric pen cannot touch the metal part to prevent the danger of electric shock.
