•【Material】- Cutting-edge 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