Multifunctional Electrician Test Screwdriver AC Non-contact Induction Test Pen Voltage Tester 70-600V Red Green Induction Lights Basic Information Metal pen cap with colors shipped randomly. Product name: Screwdriver Pen. Shell material: ABS plastic. Batch head material: chrome vanadium steel magnetic. Function Introduction Zero live wire determination: Hand touch cap test socket. Green light indicates zero line, and traffic light indicates fire line. Voltage sensing: Green light turns on when voltage is sensed. Line breaking point judgment: Check along wires. Where green light disappears is the breakpoint. Bright beads: High brightness for easier measurement, still visible in sunlight. Intelligent chip: Main board with professional upgraded chip control program for higher security and longer service life. Electrical switch detection: Electric pen contacts contact rod. If inner core of wire is not damaged, LED green light will light up. If off, inner core of wire is in poor contact. Easy to carry: Pen design is more convenient for carrying during work. Thoughtful design everywhere. Application Can be used in electronics factory, electrical appliances, automobile maintenance, household, and more. Wide range of uses. Packing 1* screwdriver Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. _x000D_