Strong Torque highlight Tester smart electric tester with led light wire tester detecor pen original screwdriver set magnetic testlight for electrical tracer electrician 220v voltage cable smart meter multimeter bside car inductive line on off detection

【Material】- Cuttingedge made of steel, high hardness wear and durability; Insulating plastic handle isolate the impact of spilled current on the human body, Insulated handle for ergonomic design; Intelligent motherboard chip and professionally upgraded chip control program, have higher security.

【Screwdriver Head Width】- 4mm ; The pen head is word/cross screwdriver bit designed, it can work as a circuit tester or a screwdriver, makes work more convenient. Note: DO NOT touch the voltage tester probe

【Neon Tube Light Display】- The voltage tester pen is used for testing the circuit and distinguishing whether the object is electrified; The pen shell is transparent, built in high brightness LED lamp bead; The higher the voltage, the brighter the neon tube light

【How to Use】- When using the voltage tester, please insert the screwdriver to the bottom, hold the insulated handle with the thumb and middle fingers, and hold the cap at the end of the voltage tester with your forefinger