Responsive Electrical Tester, Non AC Voltage 24 250V Electric Tester Screwdriver, with Indicator Light Test, Probe

✅【Premium Quailty】- High-hardness chrome-vanadium steel material has good conductivity, the main board professionally upgrades the chip control program, higher security, and longer life ✅【Multi-function】- Multi-function such as zero-fire wire discrimination, wire breakpoint detection, wire -off detection, battery self-test, etc ✅【Wire Identification & Precise Search】- 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. ✅【Battery Self-Inspection】- After the battery is installed in the screwdriver electric 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. ✅【Compact & Portable 】- The test pen is small, lightweight and easy to carry, the clip design is convenient for electricians to go out for maintenance.