Rooeling Voltage Tester Non Induction Glow Mains Electrical Screwdriver Live Wire Detector Socket Neon Bulb Electric AC

【Wire IdentIfication】When you use Voltage Tester Pen, put your hand the cap and touch the pole, insert the voltage measuring pen into the air, the electric pen lights up with double-color red and green lights, it is the live wire, lights up the green light for the zero line. 【Precise Search】When the test pen detects socket tester electrical tester live wire detector along the line, the green light will always be at the position where the line is connected, and the disconnection point at the position where the light is off. 【Electric Pen Battery Self-Inspection】After the battery is installed in the screwdriver electric pen Multifunctional induction measuring pen, self-inspection is required. If the green light is , the battery is fully charged, and the battery is low if the light is off or weak. 【Quality Material】Electrical Tester Screwdriver use high-hardness chrome-vanadium steel material has good conductivity, the main board professionally upgrades the chip control program, higher security, and longer life 【Humanized Design】The test pen Non-contact Induction Voltage Tester is small and portable, the clip design is convenient for electricians to carry out maintenance, and the light can be lighted for easy identification