Ensure safe and precise electrical work with the Electrical Tester Pen featuring a bright LED light, waterproof build, and high-quality chrome vanadium steel construction. Ideal for testing live and neutral lines, it's compact, durable, and versatile for home, car, and professional use. #ElectricalTester #LEDTesterPen #DIYTools #VoltageTester #ElectricalSafety #ScrewdriverPen #ElectricalMaintenance