A NENG B12 Flat blade Screwdriver LED Dual Color Photometer Zero Live Wire Detection Red and green dual bright lamp beads household (1)B12 Basic Information 1.Product name:LED highlighter 2.Net weight:23.2g 3.Measuring range:voltage 24-250v 4.Batch head material:chrome vanadium steel 5.Battery model:3 LR41 button batteries (2) B12 Function introduction: 1. Zero live wire determination: insert the pencil drill into the jack, and the green indication is with wire; Insert another jack, zero line if no indication 2. Bright beads: High brightne operation makes measurement easier and still clearly visible in sunlight 3. Intelligent chip: the main board profeional upgraded chip control program, higher security, longer service life 4. Electrical switch detection: the electric pen contacts the contact rod, if the inner core of the wire is not damaged, the LED green light will light up; If it is off, the inner core of the wire is in poor contact 5. Line breaking point judgment: detection along the line, LED green light line smooth, LED not bright line broken 6. Easy to carry: pen design is more convenient to carry when working, thoughtful design, careful everywhere (3) Application: it can be used in electronics factory, electrical appliances, automobile maintenance, household and so on, with a wide range of uses (4) Packing: 1* B12screwdriver