8-in-1 Electrical Circuit Tester, Multifunctional Voltage Tester, Continuity Detector Pen, 6V-380V Voltage Voltmeter for Circuit Voltage Testing

Features: ★【Indicates Voltage Range】 The electrical voltage tester can be used to measure voltage within a range of 6V-380V. Voltage measurement frequency: 50-500Hz. ★【LED Voltage Indicator】 LED indicators show the presence of detected AC/DC voltage, a low battery indicator, and detects voltage even when the batteries are discharged. ★【Applications】 Casting, electronics, manufacturing, petroleum, national defense, energy, chemical, and other industries. Also used to troubleshoot complex problems in electronics, factory automation, power distribution, and mechanical and electrical equipment. ★【Tips】 Check that the power supply and indicator lights are off before repair.