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Self-test functionDuring the self-test before use, hold the tip of the pen with one hand and lightly touch the tip of the pen with the other hand. The light indicates that the test pencil is normal and the performance is sufficient. No light indicates the battery needs to be replaced.
Automatic detectionAs long as it is close to the insulation layer of the cable, the plastic sheath of the electrical appliance, etc. When the light is on, it means the cable is under voltage. The brighter the light, the higher the voltage of the circuit to be tested.
Find the breakpointHold the bottom of the pin with one hand and the tip of the pin touches the wire. It can be used to find break points in common household appliances like rice cookers, computers and power strips.
Please allow slight measurement variations due to manual measurement
Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed in the photos.