Multifunctional Electric Pen High Brightness Colored Lights Induction Pen Zero Line Live Line Measurement Break Point

Electrical switch detection: put the touch electrode through the human body circuit, the inner core of the plug and wire is intact, and the LED green light is on. If it is not on, the wire core is disconnected and the contact is poor. Judge the zero and live wire, distinguish and identify the zero and live wire, insert the electric pen into the jack, and the green light is the live wire, Plug in another jack, but no light is on. This is a neutral wire. Smart motherboard chip, professional upgraded chip control program, higher security and longer life. High brightness work makes measurement easier, still visible in the sun, and has a longer service life than ordinary bulbs. It is more convenient to carry and work with you, and the design is more considerate